MM74HC137N datasheet(1/6 Pages) NSC

Part #	MM74HC137N

Description	3-to-8 Line Decoder With Address Latches (Inverted Output)

PDF	6 Pages

Scroll/Zoom	100%

Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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TLF5310

November 1995

MM54HC137MM74HC137 3-to-8 Line

Decoder With Address Latches

(Inverted Output)

General Description

This device utilizes advanced silicon-gate CMOS technolo-

gy to implement a three-to-eight line decoder with latches

on the three address inputs When GL goes from low to

high the address present at the select inputs (A B and C) is

stored in the latches As long as GL remains high no ad-

dress changes will be recognized Output enable controls

G1 and G2 control the state of the outputs independently of

the select or latch-enable inputs All of the outputs are high

unless G1 is high and G2 is low The HC137 is ideally suited

for the implementation of glitch-free decoders in stored-ad-

dress applications in bus oriented systems

The 54HC74HC logic family is speed function and pin-out

compatible with the standard 54LS74LS logic family All

inputs are protected from damage due to static discharge by

diodes to VCC and ground

Features

Y

Typical propagation delay 20 ns

Y

Wide supply range 2 – 6V

Y

Latched inputs for easy interfacing

Y

Fanout of 10 LS-TTL loads

Connection and Functional Block Diagrams

Dual-In-Line Package

TLF5310 – 1

Order Number MM54HC137

or MM74HC137

TLF5310 – 2

C1995 National Semiconductor Corporation

RRD-B30M115Printed in U S A

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MM74HC137N Datasheet(PDF) 1 Page - National Semiconductor (TI)

MM74HC137N Datasheet(HTML) 1 Page - National Semiconductor (TI)

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