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DM74ALS240ASJX

更新时间： 2024-11-26 23:47:27

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		驱动器
页数	文件大小	规格书
7页	82K
描述
Dual 4-Bit Inverting Buffer/Driver

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中文翻译

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数据手册
替代型号

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DM74ALS240ASJX 数据手册

September 1986

Revised February 2000

DM74ALS240A • DM74ALS241A

Octal 3-STATE Bus Driver

General Description

Features

These octal 3-STATE bus drivers are designed to provide

the designer with flexibility in implementing a bus interface

with memory, microprocessor, or communication systems.

The output 3-STATE gating control is organized into two

separate groups of four buffers. The DM74ALS240A con-

trol inputs symmetrically enable the respective outputs

when set logic LOW, while the DM74ALS241A has comple-

mentary enable gating. The 3-STATE circuitry contains a

feature that maintains the buffer outputs in 3-STATE (high

impedance state) during power supply ramp-up or ramp-

down. This eliminates bus glitching problems that arise

during power-up and power-down.

■ Advanced low power oxide-isolated ion-implanted

Schottky TTL process

■ Functional and pin compatible with the DM74LS coun-

terpart

■ Improved switching performance with less power dissi-

pation compared with the DM74LS counterpart

■ Switching response specified into 500Ω and 50 pF load

■ Switching response specifications guaranteed over full

temperature and V_CCsupply range

■ PNP input design reduces input loading

■ Low level drive current: 74ALS = 24 mA

Ordering Code:

Order Number

DM74ALS240AWM

DM74ALS240ASJ

DM74ALS240AN

DM74ALS241AWM

DM74ALS241AN

Package Number

M20B

Package Description

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide

20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide

20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide

M20D

N20A

M20B

N20A

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Connection Diagrams

DM74ALS240A

DM74ALS241A

DS006210

www.fairchildsemi.com

12 3 4 5 6 7

中文翻译

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DM74ALS240ASJX 替代型号

型号	品牌	替代类型	描述	数据表
DM74ALS240ASJ	FAIRCHILD	完全替代	Octal 3-STATE Bus Driver

与DM74ALS240ASJX相关器件

型号	品牌	获取价格	描述	数据表
DM74ALS240AWM	FAIRCHILD	获取价格	Octal 3-STATE Bus Driver
DM74ALS240AWM/A+	TI	获取价格	IC,BUFFER/DRIVER,DUAL,4-BIT,ALS-TTL,SOP,20PIN,PLASTIC
DM74ALS240AWM/B+	ETC	获取价格	Dual 4-Bit Inverting Buffer/Driver
DM74ALS240AWM_NL	FAIRCHILD	获取价格	Bus Driver, ALS Series, 2-Func, 4-Bit, Inverted Output, TTL, PDSO20, 0.300 INCH, LEAD FREE
DM74ALS240AWMX	ETC	获取价格	Dual 4-Bit Inverting Buffer/Driver
DM74ALS240AWMX_NL	FAIRCHILD	获取价格	Bus Driver, ALS Series, 2-Func, 4-Bit, Inverted Output, TTL, PDSO20, 0.300 INCH, MS-013, S
DM74ALS240J/A+	ETC	获取价格	Dual 4-Bit Inverting Buffer/Driver
DM74ALS240J1	NSC	获取价格	IC,BUFFER/DRIVER,DUAL,4-BIT,ALS-TTL,DIP,20PIN,CERAMIC
DM74ALS240J-1/A+	ETC	获取价格	Dual 4-Bit Inverting Buffer/Driver
DM74ALS240N	NSC	获取价格	IC,BUFFER/DRIVER,DUAL,4-BIT,ALS-TTL,DIP,20PIN,PLASTIC

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