MM74HCT151M

更新时间： 2024-11-24 13:11:39

品牌	Logo	应用领域
美国国家半导体 - NSC		复用器
页数	文件大小	规格书
4页	138K
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MM74HCT151M 数据手册

November 1995

MM54HCT151/MM74HCT151

8-Channel Digital Multiplexer

General Description

This high speed Digital multiplexer utilizes advanced silicon-

gate CMOS technology. Along with the high noise immunity

and low power dissipation of standard CMOS integrated cir-

cuits, it possesses the ability to drive 10 LS-TTL loads. The

MM54HCT151/MM74HCT151 selects one of the 8 data

sources, depending on the address presented on the A, B,

and C inputs. It features both true (Y) and complement (W)

outputs. The STROBE input must be at a low logic level to

enable this multiplexer. A high logic level at the STROBE

forces the W output high and the Y output low.

devices. These parts are also plug-in replacements for LS-

TTL devices and can be used to reduce power consumption

in existing designs.

Features

Typical propagation delay: 20 ns

Low quiescent supply current: 40 mA maximum

(74HCT Series)

Low input current: 1 mA maximum

Fanout of 10 LS-TTL loads

MM54HCT/MM74HCT devices are intended to interface be-

tween TTL and NMOS components and standard CMOS

TTL input compatible

Connection and Logic Diagrams

Truth Table

Dual-In-Line Package

Inputs

Select

Outputs

Strobe

Low Level, X Don’t Care

High Level, L

TL/F/9399–1

D0, D1...D7

the level of the respective D input

Top View

Order Number MM54HCT151 or MM74HCT151

TL/F/9399–2

1995 National Semiconductor Corporation

TL/F/9399

RRD-B30M115/Printed in U. S. A.

12 3 4

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