Datasheet> 器件分类 > 逻辑> 74VHCT244SJ

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74VHCT244SJ: 产品描述Bus Driver, AHCT/VHCT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, EIAJ, PLASTIC, SOIC-20; 产品类别逻辑; 文件大小145KB，共8页; 制造商Fairchild; 官网地址http://www.fairchildsemi.com/

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74VHCT244SJ概述

Bus Driver, AHCT/VHCT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, EIAJ, PLASTIC, SOIC-20

74VHCT244SJ规格参数

参数名称	属性值
是否Rohs认证	不符合
厂商名称	Fairchild
零件包装代码	SOIC
包装说明	SOP, SOP20,.3
针数	20
Reach Compliance Code	unknown
控制类型	ENABLE LOW
系列	AHCT/VHCT
JESD-30 代码	R-PDSO-G20
JESD-609代码	e0
长度	12.6 mm
负载电容（CL）	50 pF
逻辑集成电路类型	BUS DRIVER
最大I（ol）	0.008 A
位数	4
功能数量	2
端口数量	2
端子数量	20
最高工作温度	85 °C
最低工作温度	-40 °C
输出特性	3-STATE
输出极性	TRUE
封装主体材料	PLASTIC/EPOXY
封装代码	SOP
封装等效代码	SOP20,.3
封装形状	RECTANGULAR
封装形式	SMALL OUTLINE
峰值回流温度（摄氏度）	NOT SPECIFIED
电源	5 V
Prop。Delay @ Nom-Sup	9.5 ns
传播延迟（tpd）	9.5 ns
认证状态	Not Qualified
座面最大高度	2.1 mm
最大供电电压 (Vsup)	5.5 V
最小供电电压 (Vsup)	4.5 V
标称供电电压 (Vsup)	5 V
表面贴装	YES
技术	CMOS
温度等级	INDUSTRIAL
端子面层	Tin/Lead (Sn/Pb)
端子形式	GULL WING
端子节距	1.27 mm
端子位置	DUAL
处于峰值回流温度下的最长时间	NOT SPECIFIED
宽度	5.3 mm
Base Number Matches	1

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74VHC244

•

74VHCT244 Octal Buffer/Line Driver with 3-STATE Outputs

March 1998

74VHC244

•

74VHCT244

Octal Buffer/Line Driver with 3-STATE Outputs

General Description

The VHC/VHCT244 is an advanced high speed CMOS octal

bus buffer fabricated with silicon gate CMOS technology. It

achieves high speed operation similar to equivalent Bipolar

Schottky TTL while maintaining the CMOS low power dissi-

pation. The VHC/VHCT244 is a non-inverting 3-STATE

buffer having two active-low output enables. These devices

are designed to be used as 3-STATE memory address driv-

ers, clock drivers, and bus oriented transmitter/receivers.

An input protection circuit ensures that 0V–7V can be ap-

plied to the input pins without regard to the supply voltage.

This device can be used to interface 5V to 3V systems and

two supply systems such as battery back up. This circuit pre-

vents device destruction due to mismatched supply and in-

put voltages.

Features

High Speed:

VHC t

= 3.9ns (typ) at V

= 5V

VHCT t

= 5.4ns (typ) at V

= 5V

High noise immunity:

VHC V

NIH

= V

NIL

= 28% V

(min)

VHCT V

= 2.0V, V

= 0.8V

Power down protection:

VHC inputs only

VHCT inputs and outputs

Low noise:

VHC V

OLP

= 0.6V (typ)

VHCT V

OLP

= 0.7V (typ)

Low power dissipation:

= 4 µA (max)

= 25˚C

Pin and function compatible with 74HC/HCT244

Note 1: Add External Pull Up Resistor To VHCT Outputs To Drive

CMOS Inputs

Ordering Code:

Commercial

74VHC244M

74VHC244SJ

74VHC244MTC

74VHC244N

74VHCT244M

74VHCT244SJ

74VHCT244MTC

74VHCT244N

Package Number

M20B

M20D

MTC20

N20A

M20B

M20D

MTC20

N20A

Package Description

20-Lead Molded JEDEC SOIC

20-Lead Molded EIAJ SOIC

20-Lead Molded JEDEC Type 1 TSSOP

20-Lead Molded DIP

20-Lead Molded JEDEC SOIC

20-Lead Molded EIAJ SOIC

20-Lead Molded JEDEC Type 1 TSSOP

20-Lead Molded DIP

Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Logic Symbol

IEEE/IEC

Connection Diagram

Pin Assignment for DIP,

TSSOP and SOIC

DS011522-3

DS011522-1

DS011522

www.fairchildsemi.com

74VHCT244SJ相似产品对比

	74VHCT244SJ	74VHCT244MX	74VHCT244SJX	74VHCT244MTCX	74VHCT244MTC	74VHCT244N	74VHCT244M
描述	Bus Driver, AHCT/VHCT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, EIAJ, PLASTIC, SOIC-20	Bus Driver, AHCT/VHCT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, PLASTIC, SOIC-20	Bus Driver, AHCT/VHCT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, EIAJ, PLASTIC, SOIC-20	Bus Driver, AHCT/VHCT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, PLASTIC, TSSOP-20	Bus Driver, AHCT/VHCT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, PLASTIC, TSSOP-20	Bus Driver, AHCT/VHCT Series, 2-Func, 4-Bit, True Output, CMOS, PDIP20, PLASTIC, DIP-20	Bus Driver, AHCT/VHCT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20, PLASTIC, SOIC-20
厂商名称	Fairchild	Fairchild	Fairchild	Fairchild	Fairchild	Fairchild	Fairchild
零件包装代码	SOIC	SOIC	SOIC	TSSOP	TSSOP	DIP	SOIC
包装说明	SOP, SOP20,.3	SOP,	SOP,	TSSOP, TSSOP20,.25	TSSOP, TSSOP20,.25	DIP, DIP20,.3	SOP, SOP20,.4
针数	20	20	20	20	20	20	20
Reach Compliance Code	unknown	unknown	unknown	unknown	unknown	unknown	unknown
系列	AHCT/VHCT	AHCT/VHCT	AHCT/VHCT	AHCT/VHCT	AHCT/VHCT	AHCT/VHCT	AHCT/VHCT
JESD-30 代码	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20	R-PDIP-T20	R-PDSO-G20
长度	12.6 mm	12.8 mm	12.6 mm	6.5 mm	6.5 mm	26.075 mm	12.8 mm
逻辑集成电路类型	BUS DRIVER	BUS DRIVER	BUS DRIVER	BUS DRIVER	BUS DRIVER	BUS DRIVER	BUS DRIVER
位数	4	4	4	4	4	4	4
功能数量	2	2	2	2	2	2	2
端口数量	2	2	2	2	2	2	2
端子数量	20	20	20	20	20	20	20
最高工作温度	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C
最低工作温度	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
输出特性	3-STATE	3-STATE	3-STATE	3-STATE	3-STATE	3-STATE	3-STATE
输出极性	TRUE	TRUE	TRUE	TRUE	TRUE	TRUE	TRUE
封装主体材料	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
封装代码	SOP	SOP	SOP	TSSOP	TSSOP	DIP	SOP
封装形状	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
封装形式	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	IN-LINE	SMALL OUTLINE
传播延迟（tpd）	9.5 ns	9.5 ns	9.5 ns	9.5 ns	9.5 ns	9.5 ns	9.5 ns
认证状态	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
座面最大高度	2.1 mm	2.65 mm	2.1 mm	1.1 mm	1.1 mm	5.08 mm	2.65 mm
最大供电电压 (Vsup)	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
最小供电电压 (Vsup)	4.5 V	4.5 V	4.5 V	4.5 V	4.5 V	4.5 V	4.5 V
标称供电电压 (Vsup)	5 V	5 V	5 V	5 V	5 V	5 V	5 V
表面贴装	YES	YES	YES	YES	YES	NO	YES
技术	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
温度等级	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
端子形式	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	THROUGH-HOLE	GULL WING
端子节距	1.27 mm	1.27 mm	1.27 mm	0.65 mm	0.65 mm	2.54 mm	1.27 mm
端子位置	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
宽度	5.3 mm	7.5 mm	5.3 mm	4.4 mm	4.4 mm	7.62 mm	7.5 mm
是否Rohs认证	不符合	-	-	不符合	不符合	不符合	不符合
控制类型	ENABLE LOW	-	-	ENABLE LOW	ENABLE LOW	ENABLE LOW	ENABLE LOW
JESD-609代码	e0	-	-	e0	e0	e0	e0
负载电容（CL）	50 pF	-	-	50 pF	50 pF	50 pF	50 pF
最大I（ol）	0.008 A	-	-	0.008 A	0.008 A	0.008 A	0.008 A
封装等效代码	SOP20,.3	-	-	TSSOP20,.25	TSSOP20,.25	DIP20,.3	SOP20,.4
峰值回流温度（摄氏度）	NOT SPECIFIED	-	-	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
电源	5 V	-	-	5 V	5 V	5 V	5 V
Prop。Delay @ Nom-Sup	9.5 ns	-	-	9.5 ns	9.5 ns	9.5 ns	9.5 ns
端子面层	Tin/Lead (Sn/Pb)	-	-	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)
处于峰值回流温度下的最长时间	NOT SPECIFIED	-	-	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
Base Number Matches	1	1	1	1	1	-	-

74VHCT244SJ

74VHCT244SJ概述

74VHCT244SJ规格参数

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