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SN74LS51DE4

器件型号:SN74LS51DE4
器件类别:半导体    逻辑集成电路    逻辑门   
厂商名称:TI [Texas Instruments]
厂商官网:http://www.ti.com/
标准:
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器件描述

Logic Gates AND-OR-Invert Gate

参数

产品属性属性值
Product AttributeAttribute Value
制造商:
Manufacturer:
Texas Instruments
产品种类:
Product Category:
Logic Gates
RoHS:YES
Logic Function:MUX Gates
Logic Family:LS
Number of Gates:2 Gate
Number of Input Lines:5 Input
Number of Output Lines:1 Output
High Level Output Current:- 16 mA
Low Level Output Current:0.4 mA
传播延迟时间:
Propagation Delay Time:
20 ns
电源电压-最大:
Supply Voltage - Max:
5.25 V
电源电压-最小:
Supply Voltage - Min:
4.75 V
最小工作温度:
Minimum Operating Temperature:
0 C
最大工作温度:
Maximum Operating Temperature:
+ 70 C
安装风格:
Mounting Style:
SMD/SMT
封装 / 箱体:
Package / Case:
SOIC-14
封装:
Packaging:
Tube
Function:AND-OR-Invert
高度:
Height:
1.58 mm
Input Type:TTL
长度:
Length:
8.65 mm
工作温度范围:
Operating Temperature Range:
0 C to + 70 C
输出类型:
Output Type:
TTL
系列:
Series:
SN74LS51
宽度:
Width:
3.91 mm
商标:
Brand:
Texas Instruments
Logic Type:Bipolar
Number of Bits:2 bit
工作电源电流:
Operating Supply Current:
14 uA
工作电源电压:
Operating Supply Voltage:
5 V
产品类型:
Product Type:
Logic Gates
工厂包装数量:
Factory Pack Quantity:
50
子类别:
Subcategory:
Logic ICs
单位重量:
Unit Weight:
0.004564 oz

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SN74LS51DE4相关参考设计

Reference Designs for: Part SN74LS51DE4

SN74LS51DE4器件文档内容

    SN5451, SN54LS51, SN54S51

    SN7451, SN74LS51, SN74S51
         AND-OR-INVERT GATES

SDLS113 DECEMBER 1983 REVISED MARCH 1988

PRODUCTION DATA information is current as of publication date.                                    Copyright 1988, Texas Instruments Incorporated
Products conform to specifications per the terms of Texas Instruments                                                                                      1
standard warranty. Production processing does not necessarily include
testing of all parameters.

                                                    POST OFFICE BOX 655303 DALLAS, TEXAS 75265
SN5451, SN54LS51, SN54S51

SN7451, SN74LS51, SN74S51
AND-OR-INVERT GATES

SDLS113 DECEMBER 1983 REVISED MARCH 1988

2   POST OFFICE BOX 655303 DALLAS, TEXAS 75265
    SN5451, SN54LS51, SN54S51

    SN7451, SN74LS51, SN74S51
         AND-OR-INVERT GATES

SDLS113 DECEMBER 1983 REVISED MARCH 1988

POST OFFICE BOX 655303 DALLAS, TEXAS 75265  3
SN5451, SN54LS51, SN54S51

SN7451, SN74LS51, SN74S51
AND-OR-INVERT GATES

SDLS113 DECEMBER 1983 REVISED MARCH 1988

4   POST OFFICE BOX 655303 DALLAS, TEXAS 75265
    SN5451, SN54LS51, SN54S51

    SN7451, SN74LS51, SN74S51
         AND-OR-INVERT GATES

SDLS113 DECEMBER 1983 REVISED MARCH 1988

POST OFFICE BOX 655303 DALLAS, TEXAS 75265  5
SN5451, SN54LS51, SN54S51

SN7451, SN74LS51, SN74S51
AND-OR-INVERT GATES

SDLS113 DECEMBER 1983 REVISED MARCH 1988

6   POST OFFICE BOX 655303 DALLAS, TEXAS 75265
                                                       IMPORTANT NOTICE

Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements,
improvements, and other changes to its products and services at any time and to discontinue any product or service without notice.
Customers should obtain the latest relevant information before placing orders and should verify that such information is current and
complete. All products are sold subject to TI's terms and conditions of sale supplied at the time of order acknowledgment.

TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI's
standard warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this
warranty. Except where mandated by government requirements, testing of all parameters of each product is not necessarily
performed.

TI assumes no liability for applications assistance or customer product design. Customers are responsible for their products and
applications using TI components. To minimize the risks associated with customer products and applications, customers should
provide adequate design and operating safeguards.

TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right, copyright, mask
work right, or other TI intellectual property right relating to any combination, machine, or process in which TI products or services
are used. Information published by TI regarding third-party products or services does not constitute a license from TI to use such
products or services or a warranty or endorsement thereof. Use of such information may require a license from a third party under
the patents or other intellectual property of the third party, or a license from TI under the patents or other intellectual property of TI.

Reproduction of information in TI data books or data sheets is permissible only if reproduction is without alteration and is
accompanied by all associated warranties, conditions, limitations, and notices. Reproduction of this information with alteration is an
unfair and deceptive business practice. TI is not responsible or liable for such altered documentation.

Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service
voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business
practice. TI is not responsible or liable for any such statements.

TI products are not authorized for use in safety-critical applications (such as life support) where a failure of the TI product would
reasonably be expected to cause severe personal injury or death, unless officers of the parties have executed an agreement
specifically governing such use. Buyers represent that they have all necessary expertise in the safety and regulatory ramifications
of their applications, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related
requirements concerning their products and any use of TI products in such safety-critical applications, notwithstanding any
applications-related information or support that may be provided by TI. Further, Buyers must fully indemnify TI and its
representatives against any damages arising out of the use of TI products in such safety-critical applications.

TI products are neither designed nor intended for use in military/aerospace applications or environments unless the TI products are
specifically designated by TI as military-grade or "enhanced plastic." Only products designated by TI as military-grade meet military
specifications. Buyers acknowledge and agree that any such use of TI products which TI has not designated as military-grade is
solely at the Buyer's risk, and that they are solely responsible for compliance with all legal and regulatory requirements in
connection with such use.

TI products are neither designed nor intended for use in automotive applications or environments unless the specific TI products
are designated by TI as compliant with ISO/TS 16949 requirements. Buyers acknowledge and agree that, if they use any
non-designated products in automotive applications, TI will not be responsible for any failure to meet such requirements.

Following are URLs where you can obtain information on other Texas Instruments products and application solutions:

Products          amplifier.ti.com        Applications        www.ti.com/audio
Amplifiers        dataconverter.ti.com    Audio               www.ti.com/automotive
Data Converters   dsp.ti.com              Automotive          www.ti.com/broadband
DSP               interface.ti.com        Broadband           www.ti.com/digitalcontrol
Interface         logic.ti.com            Digital Control     www.ti.com/military
Logic             power.ti.com            Military            www.ti.com/opticalnetwork
Power Mgmt        microcontroller.ti.com  Optical Networking  www.ti.com/security
Microcontrollers  www.ti.com/lpw          Security            www.ti.com/telephony
Low Power                                 Telephony
Wireless                                                      www.ti.com/video
                                          Video & Imaging     www.ti.com/wireless
                                          Wireless

                  Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
                                       Copyright 2007, Texas Instruments Incorporated
                                                       IMPORTANT NOTICE

Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements,
improvements, and other changes to its products and services at any time and to discontinue any product or service without notice.
Customers should obtain the latest relevant information before placing orders and should verify that such information is current and
complete. All products are sold subject to TI's terms and conditions of sale supplied at the time of order acknowledgment.

TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI's
standard warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this
warranty. Except where mandated by government requirements, testing of all parameters of each product is not necessarily
performed.

TI assumes no liability for applications assistance or customer product design. Customers are responsible for their products and
applications using TI components. To minimize the risks associated with customer products and applications, customers should
provide adequate design and operating safeguards.

TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right, copyright, mask
work right, or other TI intellectual property right relating to any combination, machine, or process in which TI products or services
are used. Information published by TI regarding third-party products or services does not constitute a license from TI to use such
products or services or a warranty or endorsement thereof. Use of such information may require a license from a third party under
the patents or other intellectual property of the third party, or a license from TI under the patents or other intellectual property of TI.

Reproduction of information in TI data books or data sheets is permissible only if reproduction is without alteration and is
accompanied by all associated warranties, conditions, limitations, and notices. Reproduction of this information with alteration is an
unfair and deceptive business practice. TI is not responsible or liable for such altered documentation.

Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service
voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business
practice. TI is not responsible or liable for any such statements.

TI products are not authorized for use in safety-critical applications (such as life support) where a failure of the TI product would
reasonably be expected to cause severe personal injury or death, unless officers of the parties have executed an agreement
specifically governing such use. Buyers represent that they have all necessary expertise in the safety and regulatory ramifications
of their applications, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related
requirements concerning their products and any use of TI products in such safety-critical applications, notwithstanding any
applications-related information or support that may be provided by TI. Further, Buyers must fully indemnify TI and its
representatives against any damages arising out of the use of TI products in such safety-critical applications.

TI products are neither designed nor intended for use in military/aerospace applications or environments unless the TI products are
specifically designated by TI as military-grade or "enhanced plastic." Only products designated by TI as military-grade meet military
specifications. Buyers acknowledge and agree that any such use of TI products which TI has not designated as military-grade is
solely at the Buyer's risk, and that they are solely responsible for compliance with all legal and regulatory requirements in
connection with such use.

TI products are neither designed nor intended for use in automotive applications or environments unless the specific TI products
are designated by TI as compliant with ISO/TS 16949 requirements. Buyers acknowledge and agree that, if they use any
non-designated products in automotive applications, TI will not be responsible for any failure to meet such requirements.

Following are URLs where you can obtain information on other Texas Instruments products and application solutions:

Products          amplifier.ti.com        Applications        www.ti.com/audio
Amplifiers        dataconverter.ti.com    Audio               www.ti.com/automotive
Data Converters   dsp.ti.com              Automotive          www.ti.com/broadband
DSP               interface.ti.com        Broadband           www.ti.com/digitalcontrol
Interface         logic.ti.com            Digital Control     www.ti.com/military
Logic             power.ti.com            Military            www.ti.com/opticalnetwork
Power Mgmt        microcontroller.ti.com  Optical Networking  www.ti.com/security
Microcontrollers  www.ti.com/lpw          Security            www.ti.com/telephony
Low Power                                 Telephony
Wireless                                                      www.ti.com/video
                                          Video & Imaging     www.ti.com/wireless
                                          Wireless

                  Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
                                       Copyright 2007, Texas Instruments Incorporated
                                                       IMPORTANT NOTICE

Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements,
improvements, and other changes to its products and services at any time and to discontinue any product or service without notice.
Customers should obtain the latest relevant information before placing orders and should verify that such information is current and
complete. All products are sold subject to TI's terms and conditions of sale supplied at the time of order acknowledgment.

TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI's
standard warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this
warranty. Except where mandated by government requirements, testing of all parameters of each product is not necessarily
performed.

TI assumes no liability for applications assistance or customer product design. Customers are responsible for their products and
applications using TI components. To minimize the risks associated with customer products and applications, customers should
provide adequate design and operating safeguards.

TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right, copyright, mask
work right, or other TI intellectual property right relating to any combination, machine, or process in which TI products or services
are used. Information published by TI regarding third-party products or services does not constitute a license from TI to use such
products or services or a warranty or endorsement thereof. Use of such information may require a license from a third party under
the patents or other intellectual property of the third party, or a license from TI under the patents or other intellectual property of TI.

Reproduction of information in TI data books or data sheets is permissible only if reproduction is without alteration and is
accompanied by all associated warranties, conditions, limitations, and notices. Reproduction of this information with alteration is an
unfair and deceptive business practice. TI is not responsible or liable for such altered documentation.

Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service
voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business
practice. TI is not responsible or liable for any such statements.

TI products are not authorized for use in safety-critical applications (such as life support) where a failure of the TI product would
reasonably be expected to cause severe personal injury or death, unless officers of the parties have executed an agreement
specifically governing such use. Buyers represent that they have all necessary expertise in the safety and regulatory ramifications
of their applications, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related
requirements concerning their products and any use of TI products in such safety-critical applications, notwithstanding any
applications-related information or support that may be provided by TI. Further, Buyers must fully indemnify TI and its
representatives against any damages arising out of the use of TI products in such safety-critical applications.

TI products are neither designed nor intended for use in military/aerospace applications or environments unless the TI products are
specifically designated by TI as military-grade or "enhanced plastic." Only products designated by TI as military-grade meet military
specifications. Buyers acknowledge and agree that any such use of TI products which TI has not designated as military-grade is
solely at the Buyer's risk, and that they are solely responsible for compliance with all legal and regulatory requirements in
connection with such use.

TI products are neither designed nor intended for use in automotive applications or environments unless the specific TI products
are designated by TI as compliant with ISO/TS 16949 requirements. Buyers acknowledge and agree that, if they use any
non-designated products in automotive applications, TI will not be responsible for any failure to meet such requirements.

Following are URLs where you can obtain information on other Texas Instruments products and application solutions:

Products          amplifier.ti.com        Applications        www.ti.com/audio
Amplifiers        dataconverter.ti.com    Audio               www.ti.com/automotive
Data Converters   dsp.ti.com              Automotive          www.ti.com/broadband
DSP               interface.ti.com        Broadband           www.ti.com/digitalcontrol
Interface         logic.ti.com            Digital Control     www.ti.com/military
Logic             power.ti.com            Military            www.ti.com/opticalnetwork
Power Mgmt        microcontroller.ti.com  Optical Networking  www.ti.com/security
Microcontrollers  www.ti.com/lpw          Security            www.ti.com/telephony
Low Power                                 Telephony
Wireless                                                      www.ti.com/video
                                          Video & Imaging     www.ti.com/wireless
                                          Wireless

                  Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
                                       Copyright 2007, Texas Instruments Incorporated
                                                       IMPORTANT NOTICE

Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements,
improvements, and other changes to its products and services at any time and to discontinue any product or service without notice.
Customers should obtain the latest relevant information before placing orders and should verify that such information is current and
complete. All products are sold subject to TI's terms and conditions of sale supplied at the time of order acknowledgment.

TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI's
standard warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this
warranty. Except where mandated by government requirements, testing of all parameters of each product is not necessarily
performed.

TI assumes no liability for applications assistance or customer product design. Customers are responsible for their products and
applications using TI components. To minimize the risks associated with customer products and applications, customers should
provide adequate design and operating safeguards.

TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right, copyright, mask
work right, or other TI intellectual property right relating to any combination, machine, or process in which TI products or services
are used. Information published by TI regarding third-party products or services does not constitute a license from TI to use such
products or services or a warranty or endorsement thereof. Use of such information may require a license from a third party under
the patents or other intellectual property of the third party, or a license from TI under the patents or other intellectual property of TI.

Reproduction of information in TI data books or data sheets is permissible only if reproduction is without alteration and is
accompanied by all associated warranties, conditions, limitations, and notices. Reproduction of this information with alteration is an
unfair and deceptive business practice. TI is not responsible or liable for such altered documentation.

Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service
voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business
practice. TI is not responsible or liable for any such statements.

TI products are not authorized for use in safety-critical applications (such as life support) where a failure of the TI product would
reasonably be expected to cause severe personal injury or death, unless officers of the parties have executed an agreement
specifically governing such use. Buyers represent that they have all necessary expertise in the safety and regulatory ramifications
of their applications, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related
requirements concerning their products and any use of TI products in such safety-critical applications, notwithstanding any
applications-related information or support that may be provided by TI. Further, Buyers must fully indemnify TI and its
representatives against any damages arising out of the use of TI products in such safety-critical applications.

TI products are neither designed nor intended for use in military/aerospace applications or environments unless the TI products are
specifically designated by TI as military-grade or "enhanced plastic." Only products designated by TI as military-grade meet military
specifications. Buyers acknowledge and agree that any such use of TI products which TI has not designated as military-grade is
solely at the Buyer's risk, and that they are solely responsible for compliance with all legal and regulatory requirements in
connection with such use.

TI products are neither designed nor intended for use in automotive applications or environments unless the specific TI products
are designated by TI as compliant with ISO/TS 16949 requirements. Buyers acknowledge and agree that, if they use any
non-designated products in automotive applications, TI will not be responsible for any failure to meet such requirements.

Following are URLs where you can obtain information on other Texas Instruments products and application solutions:

Products          amplifier.ti.com        Applications        www.ti.com/audio
Amplifiers        dataconverter.ti.com    Audio               www.ti.com/automotive
Data Converters   dsp.ti.com              Automotive          www.ti.com/broadband
DSP               interface.ti.com        Broadband           www.ti.com/digitalcontrol
Interface         logic.ti.com            Digital Control     www.ti.com/military
Logic             power.ti.com            Military            www.ti.com/opticalnetwork
Power Mgmt        microcontroller.ti.com  Optical Networking  www.ti.com/security
Microcontrollers  www.ti.com/lpw          Security            www.ti.com/telephony
Low Power                                 Telephony
Wireless                                                      www.ti.com/video
                                          Video & Imaging     www.ti.com/wireless
                                          Wireless

                  Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
                                       Copyright 2007, Texas Instruments Incorporated
                                                       IMPORTANT NOTICE

Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements,
improvements, and other changes to its products and services at any time and to discontinue any product or service without notice.
Customers should obtain the latest relevant information before placing orders and should verify that such information is current and
complete. All products are sold subject to TI's terms and conditions of sale supplied at the time of order acknowledgment.

TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI's
standard warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this
warranty. Except where mandated by government requirements, testing of all parameters of each product is not necessarily
performed.

TI assumes no liability for applications assistance or customer product design. Customers are responsible for their products and
applications using TI components. To minimize the risks associated with customer products and applications, customers should
provide adequate design and operating safeguards.

TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right, copyright, mask
work right, or other TI intellectual property right relating to any combination, machine, or process in which TI products or services
are used. Information published by TI regarding third-party products or services does not constitute a license from TI to use such
products or services or a warranty or endorsement thereof. Use of such information may require a license from a third party under
the patents or other intellectual property of the third party, or a license from TI under the patents or other intellectual property of TI.

Reproduction of information in TI data books or data sheets is permissible only if reproduction is without alteration and is
accompanied by all associated warranties, conditions, limitations, and notices. Reproduction of this information with alteration is an
unfair and deceptive business practice. TI is not responsible or liable for such altered documentation.

Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service
voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business
practice. TI is not responsible or liable for any such statements.

TI products are not authorized for use in safety-critical applications (such as life support) where a failure of the TI product would
reasonably be expected to cause severe personal injury or death, unless officers of the parties have executed an agreement
specifically governing such use. Buyers represent that they have all necessary expertise in the safety and regulatory ramifications
of their applications, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related
requirements concerning their products and any use of TI products in such safety-critical applications, notwithstanding any
applications-related information or support that may be provided by TI. Further, Buyers must fully indemnify TI and its
representatives against any damages arising out of the use of TI products in such safety-critical applications.

TI products are neither designed nor intended for use in military/aerospace applications or environments unless the TI products are
specifically designated by TI as military-grade or "enhanced plastic." Only products designated by TI as military-grade meet military
specifications. Buyers acknowledge and agree that any such use of TI products which TI has not designated as military-grade is
solely at the Buyer's risk, and that they are solely responsible for compliance with all legal and regulatory requirements in
connection with such use.

TI products are neither designed nor intended for use in automotive applications or environments unless the specific TI products
are designated by TI as compliant with ISO/TS 16949 requirements. Buyers acknowledge and agree that, if they use any
non-designated products in automotive applications, TI will not be responsible for any failure to meet such requirements.

Following are URLs where you can obtain information on other Texas Instruments products and application solutions:

Products          amplifier.ti.com        Applications        www.ti.com/audio
Amplifiers        dataconverter.ti.com    Audio               www.ti.com/automotive
Data Converters   dsp.ti.com              Automotive          www.ti.com/broadband
DSP               interface.ti.com        Broadband           www.ti.com/digitalcontrol
Interface         logic.ti.com            Digital Control     www.ti.com/military
Logic             power.ti.com            Military            www.ti.com/opticalnetwork
Power Mgmt        microcontroller.ti.com  Optical Networking  www.ti.com/security
Microcontrollers  www.ti.com/lpw          Security            www.ti.com/telephony
Low Power                                 Telephony
Wireless                                                      www.ti.com/video
                                          Video & Imaging     www.ti.com/wireless
                                          Wireless

                  Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
                                       Copyright 2007, Texas Instruments Incorporated
                                                       IMPORTANT NOTICE

Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements,
improvements, and other changes to its products and services at any time and to discontinue any product or service without notice.
Customers should obtain the latest relevant information before placing orders and should verify that such information is current and
complete. All products are sold subject to TI's terms and conditions of sale supplied at the time of order acknowledgment.

TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI's
standard warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this
warranty. Except where mandated by government requirements, testing of all parameters of each product is not necessarily
performed.

TI assumes no liability for applications assistance or customer product design. Customers are responsible for their products and
applications using TI components. To minimize the risks associated with customer products and applications, customers should
provide adequate design and operating safeguards.

TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right, copyright, mask
work right, or other TI intellectual property right relating to any combination, machine, or process in which TI products or services
are used. Information published by TI regarding third-party products or services does not constitute a license from TI to use such
products or services or a warranty or endorsement thereof. Use of such information may require a license from a third party under
the patents or other intellectual property of the third party, or a license from TI under the patents or other intellectual property of TI.

Reproduction of information in TI data books or data sheets is permissible only if reproduction is without alteration and is
accompanied by all associated warranties, conditions, limitations, and notices. Reproduction of this information with alteration is an
unfair and deceptive business practice. TI is not responsible or liable for such altered documentation.

Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service
voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business
practice. TI is not responsible or liable for any such statements.

TI products are not authorized for use in safety-critical applications (such as life support) where a failure of the TI product would
reasonably be expected to cause severe personal injury or death, unless officers of the parties have executed an agreement
specifically governing such use. Buyers represent that they have all necessary expertise in the safety and regulatory ramifications
of their applications, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related
requirements concerning their products and any use of TI products in such safety-critical applications, notwithstanding any
applications-related information or support that may be provided by TI. Further, Buyers must fully indemnify TI and its
representatives against any damages arising out of the use of TI products in such safety-critical applications.

TI products are neither designed nor intended for use in military/aerospace applications or environments unless the TI products are
specifically designated by TI as military-grade or "enhanced plastic." Only products designated by TI as military-grade meet military
specifications. Buyers acknowledge and agree that any such use of TI products which TI has not designated as military-grade is
solely at the Buyer's risk, and that they are solely responsible for compliance with all legal and regulatory requirements in
connection with such use.

TI products are neither designed nor intended for use in automotive applications or environments unless the specific TI products
are designated by TI as compliant with ISO/TS 16949 requirements. Buyers acknowledge and agree that, if they use any
non-designated products in automotive applications, TI will not be responsible for any failure to meet such requirements.

Following are URLs where you can obtain information on other Texas Instruments products and application solutions:

Products          amplifier.ti.com        Applications        www.ti.com/audio
Amplifiers        dataconverter.ti.com    Audio               www.ti.com/automotive
Data Converters   dsp.ti.com              Automotive          www.ti.com/broadband
DSP               interface.ti.com        Broadband           www.ti.com/digitalcontrol
Interface         logic.ti.com            Digital Control     www.ti.com/military
Logic             power.ti.com            Military            www.ti.com/opticalnetwork
Power Mgmt        microcontroller.ti.com  Optical Networking  www.ti.com/security
Microcontrollers  www.ti.com/lpw          Security            www.ti.com/telephony
Low Power                                 Telephony
Wireless                                                      www.ti.com/video
                                          Video & Imaging     www.ti.com/wireless
                                          Wireless

                  Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
                                       Copyright 2007, Texas Instruments Incorporated
                                                       IMPORTANT NOTICE

Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements,
improvements, and other changes to its products and services at any time and to discontinue any product or service without notice.
Customers should obtain the latest relevant information before placing orders and should verify that such information is current and
complete. All products are sold subject to TI's terms and conditions of sale supplied at the time of order acknowledgment.

TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI's
standard warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this
warranty. Except where mandated by government requirements, testing of all parameters of each product is not necessarily
performed.

TI assumes no liability for applications assistance or customer product design. Customers are responsible for their products and
applications using TI components. To minimize the risks associated with customer products and applications, customers should
provide adequate design and operating safeguards.

TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right, copyright, mask
work right, or other TI intellectual property right relating to any combination, machine, or process in which TI products or services
are used. Information published by TI regarding third-party products or services does not constitute a license from TI to use such
products or services or a warranty or endorsement thereof. Use of such information may require a license from a third party under
the patents or other intellectual property of the third party, or a license from TI under the patents or other intellectual property of TI.

Reproduction of information in TI data books or data sheets is permissible only if reproduction is without alteration and is
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Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service
voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business
practice. TI is not responsible or liable for any such statements.

TI products are not authorized for use in safety-critical applications (such as life support) where a failure of the TI product would
reasonably be expected to cause severe personal injury or death, unless officers of the parties have executed an agreement
specifically governing such use. Buyers represent that they have all necessary expertise in the safety and regulatory ramifications
of their applications, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related
requirements concerning their products and any use of TI products in such safety-critical applications, notwithstanding any
applications-related information or support that may be provided by TI. Further, Buyers must fully indemnify TI and its
representatives against any damages arising out of the use of TI products in such safety-critical applications.

TI products are neither designed nor intended for use in military/aerospace applications or environments unless the TI products are
specifically designated by TI as military-grade or "enhanced plastic." Only products designated by TI as military-grade meet military
specifications. Buyers acknowledge and agree that any such use of TI products which TI has not designated as military-grade is
solely at the Buyer's risk, and that they are solely responsible for compliance with all legal and regulatory requirements in
connection with such use.

TI products are neither designed nor intended for use in automotive applications or environments unless the specific TI products
are designated by TI as compliant with ISO/TS 16949 requirements. Buyers acknowledge and agree that, if they use any
non-designated products in automotive applications, TI will not be responsible for any failure to meet such requirements.

Following are URLs where you can obtain information on other Texas Instruments products and application solutions:

Products          amplifier.ti.com        Applications        www.ti.com/audio
Amplifiers        dataconverter.ti.com    Audio               www.ti.com/automotive
Data Converters   dsp.ti.com              Automotive          www.ti.com/broadband
DSP               interface.ti.com        Broadband           www.ti.com/digitalcontrol
Interface         logic.ti.com            Digital Control     www.ti.com/military
Logic             power.ti.com            Military            www.ti.com/opticalnetwork
Power Mgmt        microcontroller.ti.com  Optical Networking  www.ti.com/security
Microcontrollers  www.ti.com/lpw          Security            www.ti.com/telephony
Low Power                                 Telephony
Wireless                                                      www.ti.com/video
                                          Video & Imaging     www.ti.com/wireless
                                          Wireless

                  Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
                                       Copyright 2007, Texas Instruments Incorporated
www.ti.com                                                   PACKAGE OPTION ADDENDUM

                                                                                                                              9-Oct-2007

PACKAGING INFORMATION

Orderable Device   Status (1)  Package  Package  Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
                                  Type   Drawing             Qty
JM38510/00502BCA     ACTIVE       CDIP
JM38510/07401BCA     ACTIVE       CDIP        J   14  1      TBD      A42 SNPB N / A for Pkg Type
JM38510/07401BDA     ACTIVE        CFP        J
JM38510/30401B2A     ACTIVE       LCCC       W    14  1      TBD      A42 SNPB N / A for Pkg Type
JM38510/30401B2A     ACTIVE       LCCC       FK
JM38510/30401BCA     ACTIVE       CDIP       FK   14  1      TBD      A42      N / A for Pkg Type
JM38510/30401BCA     ACTIVE       CDIP        J
JM38510/30401BDA     ACTIVE        CFP        J   20  1      TBD      POST-PLATE N / A for Pkg Type
JM38510/30401BDA     ACTIVE        CFP       W
                     ACTIVE       CDIP       W    20  1      TBD      POST-PLATE N / A for Pkg Type
       SN5451J       ACTIVE       CDIP        J
       SN5451J       ACTIVE       CDIP        J   14  1      TBD      A42 SNPB N / A for Pkg Type
     SN54LS51J       ACTIVE       CDIP        J
     SN54LS51J       ACTIVE       CDIP        J   14  1      TBD      A42 SNPB N / A for Pkg Type
      SN54S51J     OBSOLETE       PDIP        J
       SN7451N     OBSOLETE       PDIP        N   14  1      TBD      A42      N / A for Pkg Type
       SN7451N     OBSOLETE       PDIP        N
      SN7451N3     OBSOLETE       PDIP        N   14  1      TBD      A42      N / A for Pkg Type
      SN7451N3       ACTIVE       SOIC        N
     SN74LS51D                                D   14  1      TBD      A42 SNPB N / A for Pkg Type

     SN74LS51D                                    14  1      TBD      A42 SNPB N / A for Pkg Type

   SN74LS51DE4                                    14  1      TBD      A42 SNPB N / A for Pkg Type

   SN74LS51DE4                                    14  1      TBD      A42 SNPB N / A for Pkg Type

   SN74LS51DG4                                    14  1      TBD      A42 SNPB N / A for Pkg Type

   SN74LS51DG4                                    14         TBD      Call TI  Call TI

    SN74LS51DR                                    14         TBD      Call TI  Call TI

    SN74LS51DR                                    14         TBD      Call TI  Call TI

  SN74LS51DRE4                                    14         TBD      Call TI  Call TI

  SN74LS51DRE4                                    14 50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                        no Sb/Br)
  SN74LS51DRG4
                   ACTIVE       SOIC     D        14 50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
  SN74LS51DRG4                                                          no Sb/Br)

     SN74LS51N     ACTIVE       SOIC     D        14 50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                        no Sb/Br)
     SN74LS51N
                   ACTIVE       SOIC     D        14 50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                        no Sb/Br)

                   ACTIVE       SOIC     D        14 50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                        no Sb/Br)

                   ACTIVE       SOIC     D        14 50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                        no Sb/Br)

                   ACTIVE       SOIC     D        14 2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                        no Sb/Br)

                   ACTIVE       SOIC     D        14 2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                        no Sb/Br)

                   ACTIVE       SOIC     D        14 2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                        no Sb/Br)

                   ACTIVE       SOIC     D        14 2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                        no Sb/Br)

                   ACTIVE       SOIC     D        14 2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                        no Sb/Br)

                   ACTIVE       SOIC     D        14 2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                        no Sb/Br)

                   ACTIVE       PDIP     N        14 25      Pb-Free  CU NIPDAU N / A for Pkg Type
                                                             (RoHS)

                   ACTIVE       PDIP     N        14 25      Pb-Free  CU NIPDAU N / A for Pkg Type
                                                             (RoHS)

                                            Addendum-Page 1
www.ti.com                                                  PACKAGE OPTION ADDENDUM

                                                                                                                             9-Oct-2007

Orderable Device  Status (1)  Package  Package  Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
  SN74LS51NE4     ACTIVE        Type   Drawing             Qty
  SN74LS51NE4
  SN74LS51NSR                   PDIP        N   14 25       Pb-Free  CU NIPDAU N / A for Pkg Type
  SN74LS51NSR                                               (RoHS)

SN74LS51NSRE4     ACTIVE      PDIP     N        14 25       Pb-Free  CU NIPDAU N / A for Pkg Type
SN74LS51NSRE4                                               (RoHS)
SN74LS51NSRG4
SN74LS51NSRG4     ACTIVE      SO       NS       14 2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                      no Sb/Br)
    SN74S51D
    SN74S51D      ACTIVE      SO       NS       14 2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
   SN74S51DE4                                                         no Sb/Br)
   SN74S51DE4
  SN74S51DG4      ACTIVE      SO       NS       14 2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
  SN74S51DG4                                                          no Sb/Br)
   SN74S51DR
   SN74S51DR      ACTIVE      SO       NS       14 2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
  SN74S51DRE4                                                         no Sb/Br)
  SN74S51DRE4
SN74S51DRG4      ACTIVE      SO       NS       14 2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
SN74S51DRG4                                                          no Sb/Br)
     SN74S51J
     SN74S51J     ACTIVE      SO       NS       14 2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
    SN74S51N                                                          no Sb/Br)
    SN74S51N
    SN74S51N3     ACTIVE      SOIC     D        14 50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
    SN74S51N3                                                         no Sb/Br)
   SN74S51NE4
   SN74S51NE4     ACTIVE      SOIC     D        14 50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                      no Sb/Br)

                  ACTIVE      SOIC     D        14 50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                      no Sb/Br)

                  ACTIVE      SOIC     D        14 50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                      no Sb/Br)

                  ACTIVE      SOIC     D        14 50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                      no Sb/Br)

                  ACTIVE      SOIC     D        14 50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                      no Sb/Br)

                  ACTIVE      SOIC     D        14 2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                      no Sb/Br)

                  ACTIVE      SOIC     D        14 2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                      no Sb/Br)

                  ACTIVE      SOIC     D        14 2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                      no Sb/Br)

                  ACTIVE      SOIC     D        14 2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                      no Sb/Br)

                  ACTIVE      SOIC     D        14 2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                      no Sb/Br)

                  ACTIVE      SOIC     D        14 2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
                                                                      no Sb/Br)

                  OBSOLETE CDIP        J        14          TBD      Call TI  Call TI

                  OBSOLETE CDIP        J        14          TBD      Call TI  Call TI

                  ACTIVE      PDIP     N        14 25       Pb-Free  CU NIPDAU N / A for Pkg Type
                                                            (RoHS)

                  ACTIVE      PDIP     N        14 25       Pb-Free  CU NIPDAU N / A for Pkg Type
                                                            (RoHS)

                  OBSOLETE PDIP        N        14          TBD      Call TI  Call TI

                  OBSOLETE PDIP        N        14          TBD      Call TI  Call TI

                  ACTIVE      PDIP     N        14 25       Pb-Free  CU NIPDAU N / A for Pkg Type
                                                            (RoHS)

                  ACTIVE      PDIP     N        14 25       Pb-Free  CU NIPDAU N / A for Pkg Type

                                           Addendum-Page 2
www.ti.com                                               PACKAGE OPTION ADDENDUM

                                                                                                                          9-Oct-2007

Orderable Device  Status (1)  Package Package  Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
                                Type Drawing              Qty
     SNJ5451J     ACTIVE
     SNJ5451J     ACTIVE                                 (RoHS)
    SNJ5451W      ACTIVE
    SNJ5451W      ACTIVE      CDIP  J          14  1     TBD     A42 SNPB N / A for Pkg Type
  SNJ54LS51FK     ACTIVE
  SNJ54LS51FK     ACTIVE      CDIP  J          14  1     TBD     A42 SNPB N / A for Pkg Type
   SNJ54LS51J     ACTIVE
   SNJ54LS51J     ACTIVE      CFP   W          14  1     TBD     A42  N / A for Pkg Type
  SNJ54LS51W      ACTIVE
  SNJ54LS51W      ACTIVE      CFP   W          14  1     TBD     A42  N / A for Pkg Type
   SNJ54S51FK     ACTIVE
    SNJ54S51J     ACTIVE      LCCC  FK         20  1     TBD     POST-PLATE N / A for Pkg Type
   SNJ54S51W      ACTIVE
                              LCCC  FK         20  1     TBD     POST-PLATE N / A for Pkg Type

                              CDIP  J          14  1     TBD     A42 SNPB N / A for Pkg Type

                              CDIP  J          14  1     TBD     A42 SNPB N / A for Pkg Type

                              CFP   W          14  1     TBD     A42  N / A for Pkg Type

                              CFP   W          14  1     TBD     A42  N / A for Pkg Type

                              LCCC  FK         20  1     TBD     POST-PLATE N / A for Pkg Type

                              CDIP  J          14  1     TBD     A42 SNPB N / A for Pkg Type

                              CFP   W          14  1     TBD     A42  N / A for Pkg Type

(1) The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.

(2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check
http://www.ti.com/productcontent for the latest availability information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and
package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS
compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)

(3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.

Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited
information may not be available for release.

In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI
to Customer on an annual basis.

                                        Addendum-Page 3
          www.ti.com                       PACKAGE MATERIALS INFORMATION

TAPE AND REEL BOX INFORMATION                                                                                                4-Oct-2007

     Device  Package Pins  Site  Reel       Reel  A0 (mm)  B0 (mm)  K0 (mm) P1 W  Pin1
                                           Width
SN74LS51DR                      Diameter  (mm)      6.5      9.0        (mm) (mm) Quadrant
SN74LS51NSR                                          8.2      10.5
                                 (mm)        16      6.5      9.0
SN74S51DR
             D  14         SITE 41 330       16                     2.1  8  16    Q1

             NS 14         SITE 41 330       16                     2.5  12 16    Q1

             D  14         SITE 41 330                              2.1  8  16    Q1

                                 Pack Materials-Page 1
www.ti.com                           PACKAGE MATERIALS INFORMATION

                                                                                                                       4-Oct-2007

     Device  Package  Pins    Site   Length (mm)  Width (mm)  Height (mm)
SN74LS51DR       D    14   SITE 41       346.0       346.0        33.0
SN74LS51NSR      NS    14   SITE 41       346.0       346.0        33.0
SN74S51DR        D    14   SITE 41       346.0       346.0        33.0

                            Pack Materials-Page 2
                                                                                                    MECHANICAL DATA

FK (S-CQCC-N**)                                                                                                                MLCC006B OCTOBER 1996

28 TERMINAL SHOWN                                                                           LEADLESS CERAMIC CHIP CARRIER

                    18 17 16 15 14 13 12                                      NO. OF             A            B
                                                                           TERMINALS
                    26 27 28 1 2 3 4                                                        MIN     MAX  MIN     MAX
                                                    0.020 (0,51)                  **
                                                    0.010 (0,25)
                19                                                11       20               0.342 0.358 0.307 0.358

                20                                                                          (8,69) (9,09) (7,80) (9,09)

                21                                                10                        0.442 0.458 0.406 0.458
      B SQ
                                                                           28               (11,23) (11,63) (10,31) (11,63)
                22
A SQ                                                              9

                23                                                         44               0.640 0.660 0.495 0.560

                24                                                8                         (16,26) (16,76) (12,58) (14,22)

                25                                                7        52               0.739 0.761 0.495 0.560

                                                                                            (18,78) (19,32) (12,58) (14,22)

                                                                  6                         0.938 0.962 0.850 0.858

                                                                           68               (23,83) (24,43) (21,6) (21,8)

                                                                  5

                                                                           84               1.141 1.165 1.047 1.063

                                                                                            (28,99) (29,59) (26,6) (27,0)

                                                                                                         0.080 (2,03)
                                                                                                         0.064 (1,63)

                                                                           0.020 (0,51)
                                                                           0.010 (0,25)

0.055 (1,40)                                                                  0.045 (1,14)
0.045 (1,14)                                                                  0.035 (0,89)

      0.028 (0,71)                                                         0.045 (1,14)
      0.022 (0,54)                                                         0.035 (0,89)

                    0.050 (1,27)

                                                                                                         4040140 / D 10/96

NOTES: A. All linear dimensions are in inches (millimeters).
             B. This drawing is subject to change without notice.
             C. This package can be hermetically sealed with a metal lid.
             D. The terminals are gold plated.
             E. Falls within JEDEC MS-004

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