Rev.2.00 Jan 31, 2006 page 1 of 5

HD74HC280

9-bit Odd/Even Parity Generator/Checker

REJ03D0606–0200

(Previous ADE-205-484)

Rev.2.00

Jan 31, 2006

Description

This parity generator/checker features odd/even outputs to facilitate operation of either odd or even parity applications.

The word length capability is easily expanded by cascading devices.

Features

• High Speed Operation: t

Σ Even or Σ Odd) = 22 ns typ (C

• High Output Current: Fanout of 10 LSTTL Loads

• Wide Operating Voltage: V

• Low Input Current: 1 µA max

• Low Quiescent Supply Current: I

• Ordering Information

Part Name

Package Type

Package Code

(Previous Code)

Package

Abbreviation

Taping Abbreviation

(Quantity)

HD74HC280P

DILP-14 pin

PRDP0014AB-B

(DP-14AV)

P

—

HD74HC280FPEL

SOP-14 pin (JEITA)

PRSP0014DF-B

(FP-14DAV)

FP

EL (2,000 pcs/reel)

Note:

Please consult the sales office for the above package availability.

Function Table

Outputs

Number of inputs

A through I that are high

Σ Even

Σ Odd

0, 2, 4, 6, 8

H

L

1, 3, 5, 7, 9

L

H

H :

High level

L

:

Low level