Datasheet > 74LS154

74LS154

更新时间： 2024-11-03 22:53:15

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		解复用器
页数	文件大小	规格书
5页	55K
描述
4-Line to 16-Line Decoder/Demultiplexer

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数据手册

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74LS154 数据手册

August 1986

Revised March 2000

DM74LS154

4-Line to 16-Line Decoder/Demultiplexer

General Description

Features

Each of these 4-line-to-16-line decoders utilizes TTL cir-

cuitry to decode four binary-coded inputs into one of six-

teen mutually exclusive outputs when both the strobe

inputs, G1 and G2, are LOW. The demultiplexing function

is performed by using the 4 input lines to address the out-

put line, passing data from one of the strobe inputs with the

other strobe input LOW. When either strobe input is HIGH,

all outputs are HIGH. These demultiplexers are ideally

suited for implementing high-performance memory decod-

ers. All inputs are buffered and input clamping diodes are

provided to minimize transmission-line effects and thereby

simplify system design.

■ Decodes 4 binary-coded inputs into one of 16 mutually

exclusive outputs

■ Performs the demultiplexing function by distributing data

from one input line to any one of 16 outputs

■ Input clamping diodes simplify system design

■ High fan-out, low-impedance, totem-pole outputs

■ Typical propagation delay

3 levels of logic 23 ns

Strobe

19 ns

■ Typical power dissipation 45 mW

Ordering Code:

Order Number Package Number

Package Description

DM74LS154WM

DM74LS154N

M24B

N24A

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

24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-010, 0.600 Wide

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

Connection Diagram

Logic Diagram

DS006394

www.fairchildsemi.com

12 3 4 5

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与74LS154相关器件

型号	品牌	获取价格	描述	数据表
74LS155	TI	获取价格	DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS
74LS155	MOTOROLA	获取价格	DUAL 1-OF-4 DECODER/ DEMULTIPLEXER
74LS155	NSC	获取价格	Dual 2-Line to 4-Line Decoders/Demultiplexers
74LS155	ONSEMI	获取价格	DUAL 1-OF-4 DECODER/ DEMULTIPLEXER
74LS155	FAIRCHILD	获取价格	Dual 2-Line to 4-Line Decoders/Demultiplexers
74LS155	HITACHI	获取价格	Dual 2-line-to-4-line Decoders/Demultiplexers
74LS155DCQM	FAIRCHILD	获取价格	Decoder/Driver, TTL, CDIP16,
74LS155DCQR	FAIRCHILD	获取价格	Decoder/Driver, TTL, CDIP16,
74LS155FCQR	FAIRCHILD	获取价格	Decoder/Driver, TTL, CDFP16,
74LS155N	RAYTHEON	获取价格	Decoder/Driver, TTL, PDIP16,