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SN74LS244MR1: 产品描述LS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20, EIAJ, SOIC-20; 产品类别逻辑逻辑; 文件大小122KB，共8页; 制造商ON Semiconductor(安森美); 官网地址http://www.onsemi.cn

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SN74LS244MR1概述

LS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20, EIAJ, SOIC-20

SN74LS244MR1规格参数

参数名称	属性值
是否Rohs认证	不符合
厂商名称	ON Semiconductor(安森美)
零件包装代码	SOIC
包装说明	EIAJ, SOIC-20
针数	20
Reach Compliance Code	not_compliant
控制类型	ENABLE LOW
系列	LS
JESD-30 代码	R-PDSO-G20
JESD-609代码	e0
长度	12.575 mm
负载电容（CL）	45 pF
逻辑集成电路类型	BUS DRIVER
最大I（ol）	0.024 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	70 °C
最低工作温度
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
包装方法	TAPE AND REEL
峰值回流温度（摄氏度）	NOT SPECIFIED
电源	5 V
最大电源电流（ICC）	54 mA
Prop。Delay @ Nom-Sup	18 ns
传播延迟（tpd）	18 ns
认证状态	Not Qualified
座面最大高度	2.05 mm
最大供电电压 (Vsup)	5.25 V
最小供电电压 (Vsup)	4.75 V
标称供电电压 (Vsup)	5 V
表面贴装	YES
技术	TTL
温度等级	COMMERCIAL
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	5.275 mm
Base Number Matches	1

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SN74LS240 SN74LS244

Octal Buffer/Line Driver

with 3-State Outputs

The SN74LS240 and SN74LS244 are Octal Buffers and Line

Drivers designed to be employed as memory address drivers, clock

drivers and bus-oriented transmitters/receivers which provide

improved PC board density.

http://onsemi.com

•

Hysteresis at Inputs to Improve Noise Margins

•

3-State Outputs Drive Bus Lines or Buffer Memory Address

Registers

•

Input Clamp Diodes Limit High-Speed Termination Effects

GUARANTEED OPERATING RANGES

Symbol

Parameter

Supply Voltage

Operating Ambient

Temperature Range

Output Current – High

Min

4.75

Typ

5.0

Max

5.25

– 3.0

– 15

Output Current – Low

Unit

°C

LOW

POWER

SCHOTTKY

PLASTIC

N SUFFIX

CASE 738

SOIC

DW SUFFIX

CASE 751D

ORDERING INFORMATION

Device

SN74LS240N

SN74LS240DW

SN74LS244N

SN74LS244DW

Package

16 Pin DIP

16 Pin

16 Pin DIP

16 Pin

Shipping

1440 Units/Box

2500/Tape & Reel

1440 Units/Box

2500/Tape & Reel

Semiconductor Components Industries, LLC, 1999

December, 1999 – Rev. 6

Publication Order Number:

SN74LS240/D

SN74LS244MR1相似产品对比

	SN74LS244MR1	SN74LS240MR1	SN74LS240ML1	SN74LS240MR2	SN74LS244ML1	SN74LS244ML2	SN74LS244MR2	SN74LS240ML2
描述	LS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20, EIAJ, SOIC-20	LS SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20, EIAJ, SOIC-20	IC,BUFFER/DRIVER,DUAL,4-BIT,LS-TTL,SOP,20PIN,PLASTIC	LS SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20, EIAJ, SOIC-20	IC,BUFFER/DRIVER,DUAL,4-BIT,LS-TTL,SOP,20PIN,PLASTIC	IC,BUFFER/DRIVER,DUAL,4-BIT,LS-TTL,SOP,20PIN,PLASTIC	LS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20, EIAJ, SOIC-20	IC,BUFFER/DRIVER,DUAL,4-BIT,LS-TTL,SOP,20PIN,PLASTIC
是否Rohs认证	不符合	符合	符合	不符合	符合	不符合	不符合	不符合
Reach Compliance Code	not_compliant	unknown	unknown	not_compliant	unknown	unknown	not_compliant	unknown
控制类型	ENABLE LOW	ENABLE LOW	ENABLE LOW	ENABLE LOW	ENABLE LOW	ENABLE LOW	ENABLE LOW	ENABLE LOW
JESD-30 代码	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20
JESD-609代码	e0	e4	e4	e0	e4	e0	e0	e0
逻辑集成电路类型	BUS DRIVER	BUS DRIVER	BUS DRIVER	BUS DRIVER	BUS DRIVER	BUS DRIVER	BUS DRIVER	BUS DRIVER
最大I（ol）	0.024 A	0.024 A	0.024 A	0.024 A	0.024 A	0.024 A	0.024 A	0.024 A
位数	4	4	4	4	4	4	4	4
功能数量	2	2	2	2	2	2	2	2
端子数量	20	20	20	20	20	20	20	20
最高工作温度	70 °C	70 °C	70 °C	70 °C	70 °C	70 °C	70 °C	70 °C
输出特性	3-STATE	3-STATE	3-STATE	3-STATE	3-STATE	3-STATE	3-STATE	3-STATE
输出极性	TRUE	INVERTED	INVERTED	INVERTED	TRUE	TRUE	TRUE	INVERTED
封装主体材料	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
封装代码	SOP	SOP	SOP	SOP	SOP	SOP	SOP	SOP
封装等效代码	SOP20,.3	SOP20,.3	SOP20,.3	SOP20,.3	SOP20,.3	SOP20,.3	SOP20,.3	SOP20,.3
封装形状	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
封装形式	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE
包装方法	TAPE AND REEL	TR	TAPE AND REEL	TR	TAPE AND REEL	TAPE AND REEL	TAPE AND REEL	TAPE AND REEL
最大电源电流（ICC）	54 mA	50 mA	50 mA	50 mA	54 mA	54 mA	54 mA	50 mA
Prop。Delay @ Nom-Sup	18 ns	18 ns	18 ns	18 ns	18 ns	18 ns	18 ns	18 ns
认证状态	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
标称供电电压 (Vsup)	5 V	5 V	5 V	5 V	5 V	5 V	5 V	5 V
表面贴装	YES	YES	YES	YES	YES	YES	YES	YES
技术	TTL	TTL	TTL	TTL	TTL	TTL	TTL	TTL
温度等级	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL
端子面层	Tin/Lead (Sn/Pb)	NICKEL PALLADIUM GOLD	Nickel/Palladium/Gold (Ni/Pd/Au)	TIN LEAD	Nickel/Palladium/Gold (Ni/Pd/Au)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)
端子形式	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING
端子节距	1.27 mm	1.27 mm	1.27 mm	1.27 mm	1.27 mm	1.27 mm	1.27 mm	1.27 mm
端子位置	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
厂商名称	ON Semiconductor(安森美)	-	ON Semiconductor(安森美)	-	ON Semiconductor(安森美)	ON Semiconductor(安森美)	ON Semiconductor(安森美)	ON Semiconductor(安森美)
电源	5 V	-	5 V	-	5 V	5 V	5 V	5 V
Base Number Matches	1	-	1	-	1	1	1	1

SN74LS244MR1

SN74LS244MR1概述

SN74LS244MR1规格参数

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SN74LS244MR1相似产品对比

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