MM54HC280 datasheet(1/4 Pages) NSC

Teilenummer	MM54HC280

Bauteilbeschribung	9-Bit Odd/Even Parity Generator/Checker

PDF	4 Pages

Scroll/Zoom	100%

Hersteller	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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TLF5121

January 1988

MM54HC280MM74HC280

9-Bit OddEven Parity GeneratorChecker

General Description

The MM54HC280MM74HC280 utilizes advanced silicon-

gate CMOS technology to achieve the high noise immunity

and low power consumption of standard CMOS integrated

circuits It possesses the ability to drive 10 LS-TTL loads

This parity generatorchecker features oddeven outputs to

facilitate operation of either odd or even parity applications

The word length capability is easily expanded by cascading

devices The 54HC74HC logic family is speed function

and pinout compatible with the standard 54LS74LS family

All inputs are protected from damage due to static dis-

charge by internal diode clamps to VCC and ground

Features

Y

Typical propagation delay 28 ns

Y

Wide power supply range 2V – 6V

Y

Low quiescent current 80 mA maximum (74HC)

Y

Low input current 1 mA maximum

Y

Fanout of 10 LS-TTL loads

Connection Diagram

Dual-In-Line Package

TLF5121 – 1

Order Number MM54HC280 or MM74HC280

Function Table

Numbers of Inputs A

Outputs

thru 1 that are High

R Even

R Odd

0 2 4 6 8

H

L

1 3 5 7 9

L

H

H e high level Le low level

C1995 National Semiconductor Corporation

RRD-B30M105Printed in U S A

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