TLF9894

March 1993

54ACT74ACT823

9-Bit D Flip-Flop

General Description

The ’ACT823 is a 9-bit buffered register It features Clock

Enable and Clear which are ideal for parity bus interfacing in

high

performance

microprogramming

systems

The

’ACT823 offers noninverting outputs and is fully compatible

with AMD’s Am29823

Features

Y

Outputs sourcesink 24 mA

Y

TRI-STATE

outputs for bus interfacing

Y

Inputs and outputs are on opposite sides

Y

’ACT823 has TTL-compatible inputs

Logic Symbols

Connection Diagrams

TLF9894 – 1

IEEEIEC

TLF9894 – 2

Pin Assignment

for DIP Flatpak and SOIC

TLF9894 – 3

Pin Assignment

for LCC

TLF9894 – 4

Pin Names

Description

Data Inputs

Data Outputs

OE

Output Enable

CLR

Clear

CP

Clock Input

EN

Clock Enable

TRI-STATE

is a registered trademark of National Semiconductor Corporation

C1995 National Semiconductor Corporation

RRD-B30M75Printed in U S A