74ACT139SCX_NL

更新时间： 2024-11-28 13:04:51

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		解码器解复用器
页数	文件大小	规格书
9页	101K
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数据手册

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74ACT139SCX_NL 数据手册

November 1988

Revised November 1999

74AC139 • 74ACT139

Dual 1-of-4 Decoder/Demultiplexer

General Description

Features

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

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

ACT139 can be used as a function generator providing all

four minterms of two variables.

■ I_CCreduced by 50%

■ Multifunction capability

■ Two completely independent 1-of-4 decoders

■ Active LOW mutually exclusive outputs

■ Outputs source/sink 24 mA

■ ACT139 has TTL-compatible inputs

Ordering Code:

Order Number Package Number

Package Description

74AC139SC

74AC139SJ

M16A

M16D

MTC16

N16E

16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow Body

16-Lead Small Outline Package (SOIC), EIAJ Type II, 5.3mm Wide

74AC139MTC

74AC139PC

74ACT139SC

74ACT139SJ

74ACT139MTC

74ACT139PC

16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

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

16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow Body

16-Lead Small Outline Package (SOIC), EIAJ Type II, 5.3mm Wide

M16A

M16D

MTC16

N16E

16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

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

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

Connection Diagram

Pin Descriptions

Pin Names

A₀, A₁

Description

Address Inputs

Enable Inputs

Outputs

O₀–O₃

FACT is a trademark of Fairchild Semiconductor Corporation.

DS009926

www.fairchildsemi.com

12 3 4 5 6 7...9

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