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74LCXZ2245_05

产品描述Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs and 26ohm Series Resistors in B Outputs
文件大小120KB,共11页
制造商Fairchild
官网地址http://www.fairchildsemi.com/
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74LCXZ2245_05概述

Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs and 26ohm Series Resistors in B Outputs

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74LCXZ2245 Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs and 26: Series
Resistors in B Outputs
October 2000
Revised March 2005
74LCXZ2245
Low Voltage Bidirectional Transceiver
with 5V Tolerant Inputs and Outputs
and 26: Series Resistors in B Outputs
General Description
The LCXZ2245 contains eight non-inverting bidirectional
buffers with 3-STATE outputs and is intended for bus ori-
ented applications. The device is designed for low voltage
(2.7V and 3.3V) V
CC
applications with capability of interfac-
ing to a 5V signal environment. The T/R input determines
the direction of data flow through the device. The OE input
disables both the A and B ports by placing them in a high
impedance state. The 26
:
series resistor in the B Port out-
put helps reduce output overshoot and undershoot.
The LCXZ2245 is fabricated with an advanced CMOS
technology to achieve high speed operation while maintain-
ing CMOS low power dissipation.
When V
CC
is between 0 and 1.5V, the LCXZ2245 is on the
high impedance state during power up or power down. This
places the outputs in the high impedance (Z) state prevent-
ing intermittent low impedance loading or glitching in bus
oriented applications.
Features
s
5V tolerant inputs and outputs
s
2.7V–3.6V V
CC
specifications provided
s
7.0 ns t
PD
max (V
CC
3.3V), 10
P
A I
CC
max
s
Power down high impedance inputs and outputs
s
Supports live insertion/withdrawal (Note 1)
s
r
12 mA output drive on the B Port (V
CC
s
Latch-up performance exceeds 500 mA
s
Equivalent 26
:
series resistor on all B Port outputs
s
ESD performance:
3.0V)
s
Implements patented noise/EMI reduction circuitry
Human body model
!
2000V
Machine model
!
200V
Note 1:
To ensure the high-impedance state during power up or down, OE
should be tied to V
CC
through a pull-up resistor: the minimum value or the
resistor is determined by the current-sourcing capability of the driver.
Ordering Code:
Order Number
74LCXZ2245WM
74LCXZ2245SJ
74LCXZ2245MSA
74LCXZ2245MTC
Package Number
M20B
M20D
MSA20
MTC20
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
Pb-Free 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Pb-Free package per JEDEC J-STD-020B.
Logic Symbol
Connection Diagram
Pin Descriptions
Pin Names
OE
T/R
A
0
–A
7
B
0
–B
7
Description
Output Enable Input
Transmit/Receive Input
Side A Inputs or 3-STATE Outputs
Side B Inputs or 3-STATE Outputs
© 2005 Fairchild Semiconductor Corporation
DS500410
www.fairchildsemi.com

74LCXZ2245_05相似产品对比

74LCXZ2245_05 74LCXZ2245 74LCXZ2245SJ 74LCXZ2245WM 74LCXZ2245MTC
描述 Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs and 26ohm Series Resistors in B Outputs Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs and 26ohm Series Resistors in B Outputs Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs and 26ohm Series Resistors in B Outputs Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs and 26ohm Series Resistors in B Outputs Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs and 26ohm Series Resistors in B Outputs
是否Rohs认证 - - 符合 符合 符合
厂商名称 - - Fairchild Fairchild Fairchild
零件包装代码 - - SOIC SOIC TSSOP
包装说明 - - SOP, SOP20,.3 SOP, SOP20,.4 4.40 MM, MO-153, TSSOP-20
针数 - - 20 20 20
Reach Compliance Code - - compli unknow unknow
控制类型 - - COMMON CONTROL COMMON CONTROL COMMON CONTROL
计数方向 - - BIDIRECTIONAL BIDIRECTIONAL BIDIRECTIONAL
系列 - - LVC/LCX/Z LVC/LCX/Z LVC/LCX/Z
JESD-30 代码 - - R-PDSO-G20 R-PDSO-G20 R-PDSO-G20
JESD-609代码 - - e3 e3 e3
长度 - - 12.6 mm 12.8015 mm 6.5 mm
逻辑集成电路类型 - - BUS TRANSCEIVER BUS TRANSCEIVER BUS TRANSCEIVER
最大I(ol) - - 0.012 A 0.012 A 0.012 A
湿度敏感等级 - - 1 1 1
位数 - - 8 8 8
功能数量 - - 1 1 1
端口数量 - - 2 2 2
端子数量 - - 20 20 20
最高工作温度 - - 85 °C 85 °C 85 °C
最低工作温度 - - -40 °C -40 °C -40 °C
输出特性 - - 3-STATE WITH SERIES RESISTOR 3-STATE WITH SERIES RESISTOR 3-STATE WITH SERIES RESISTOR
输出极性 - - TRUE TRUE TRUE
封装主体材料 - - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
封装代码 - - SOP SOP TSSOP
封装等效代码 - - SOP20,.3 SOP20,.4 TSSOP20,.25
封装形状 - - RECTANGULAR RECTANGULAR RECTANGULAR
封装形式 - - SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
包装方法 - - RAIL RAIL RAIL
峰值回流温度(摄氏度) - - 260 260 260
电源 - - 3.3 V 3.3 V 3.3 V
Prop。Delay @ Nom-Su - - 8 ns 8 ns 8 ns
传播延迟(tpd) - - 9 ns 9 ns 9 ns
认证状态 - - Not Qualified Not Qualified Not Qualified
座面最大高度 - - 2.1 mm 2.642 mm 1.2 mm
最大供电电压 (Vsup) - - 3.6 V 3.6 V 3.6 V
最小供电电压 (Vsup) - - 2.7 V 2.7 V 2.7 V
标称供电电压 (Vsup) - - 3.3 V 3.3 V 3.3 V
表面贴装 - - YES YES YES
技术 - - CMOS CMOS CMOS
温度等级 - - INDUSTRIAL INDUSTRIAL INDUSTRIAL
端子面层 - - Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
端子形式 - - GULL WING GULL WING GULL WING
端子节距 - - 1.27 mm 1.27 mm 0.65 mm
端子位置 - - DUAL DUAL DUAL
处于峰值回流温度下的最长时间 - - NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
翻译 - - N/A N/A N/A
宽度 - - 5.3 mm 7.493 mm 4.4 mm
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