Datasheet > DM74LS156M

DM74LS156M

更新时间： 2024-09-20 23:00:43

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
6页	67K
描述
Dual 2-Line to 4-Line Decoders/Demultiplexers

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数据手册
替代型号

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DM74LS156M 数据手册

August 1986

Revised April 2000

DM74LS155 • DM74LS156

Dual 2-Line to 4-Line Decoders/Demultiplexers

General Description

Features

These TTL circuits feature dual 1-line-to-4-line demultiplex-

ers with individual strobes and common binary-address

inputs in a single 16-pin package. When both sections are

enabled by the strobes, the common address inputs

sequentially select and route associated input data to the

appropriate output of each section. The individual strobes

permit activating or inhibiting each of the 4-bit sections as

desired. Data applied to input C1 is inverted at its outputs

and data applied at C2 is true through its outputs. The

inverter following the C1 data input permits use as a 3-to-8-

line decoder, or 1-to-8-line demultiplexer, without external

gating. Input clamping diodes are provided on these cir-

cuits to minimize transmission-line effects and simplify sys-

tem design.

■ Applications:

Dual 2-to-4-line decoder

Dual 1-to-4-line demultiplexer

3-to-8-line decoder

1-to-8-line demultiplexer

■ Individual strobes simplify cascading for decoding or

demultiplexing larger words

■ Input clamping diodes simplify system design

■ Choice of outputs:

Totem-pole (DM74LS155)

Open-collector (DM74LS156)

Ordering Code:

Order Number Package Number

Package Description

DM74LS155M

DM74LS155N

DM74LS156M

DM74LS156N

M16A

N16E

M16A

N16E

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

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

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

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

Connection Diagram

DS006395

www.fairchildsemi.com

12 3 4 5 6

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DM74LS156M 替代型号

型号	品牌	替代类型	描述	数据表
SN74LS156NSRG4	TI	功能相似	LS SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16, GREEN, PLASTIC, SOP-16
SN74LS156D	TI	功能相似	DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS

与DM74LS156M相关器件

型号	品牌	获取价格	描述	数据表
DM74LS156MX	FAIRCHILD	获取价格	2-To-4-Line Demultiplexer
DM74LS156N	FAIRCHILD	获取价格	Dual 2-Line to 4-Line Decoders/Demultiplexers
DM74LS156N	NSC	获取价格	Dual 2-Line to 4-Line Decoders/Demultiplexers
DM74LS156N/A+	ETC	获取价格	2-To-4-Line Demultiplexer
DM74LS156N/B+	ETC	获取价格	2-To-4-Line Demultiplexer
DM74LS157	FAIRCHILD	获取价格	Quad 2-Line to 1-Line Data Selectors/Multiplexers
DM74LS157	NSC	获取价格	Quad 2-Line to 1-Line Data Selectors/Multiplexers
DM74LS157E	NSC	获取价格	Quad 2-Line to 1-Line Data Selectors/Multiplexers
DM74LS157J	NSC	获取价格	Quad 2-Line to 1-Line Data Selectors/Multiplexers
DM74LS157J	TI	获取价格	IC,LOGIC MUX,QUAD,2-INPUT,LS-TTL,DIP,16PIN,CERAMIC