Datasheet > JM54AC139B2A

JM54AC139B2A

更新时间： 2024-11-22 10:01:47

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
8页	172K
描述
Decoder/Driver

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JM54AC139B2A 数据手册

August 1998

54AC139 • 54ACT139

Dual 1-of-4 Decoder/Demultiplexer

n Multifunction capability

n Two completely independent 1-of-4 decoders

General Description

The ’AC/’ACT139 is a high-speed, dual 1-of-4 decoder/

demultiplexer. The device has two independent decoders,

each accepting two inputs and providing four

mutually-exclusive active-LOW outputs. Each decoder has

an active-LOW Enable input which can be used as a data in-

n Active LOW mutually exclusive outputs

n Outputs source/sink 24 mA

n ’ACT139 has TTL-compatible inputs

n Standard Military Drawing (SMD)

— ’AC139: 5962-87623

put for

a 4-output demultiplexer. Each half of the ’AC/

— ’ACT139: 5962-87553

’ACT139 can be used as a function generator providing all

four minterms of two variables.

Features

n I_CCreduced by 50%

Logic Symbols

IEEE/IEC

DS100269-8

DS100269-2

Pin Names

A₀, A₁

Description

Address Inputs

Enable Inputs

Outputs

O₀–O₃

DS100269-1

FACT^®is a registered trademark of Fairchild Semiconductor Corporation.

DS100269

www.national.com

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