TLF9800

April 1993

74AC843

9-Bit Transparent Latch

General Description

The ’AC’ACT843 bus interface latch is designed to elimi-

nate the extra packages required to buffer existing latches

and provide extra data width for wider addressdata paths

The ’AC’ACT843 is functionally and pin compatible with

AMD’s Am29843

Features

Y

’ACT843 has TTL-compatible inputs

Y

TRI-STATE

outputs for bus interfacing

Logic Symbols

Connection Diagram

TLF9800 – 1

IEEEIEC

TLF9800 – 3

Pin Names

Description

Data Inputs

Data Outputs

OE

Output Enable

LE

Latch Enable

CLR

Clear

PRE

Preset

Pin Assignment

for DIP and SOIC

TLF9800 – 2

TRI-STATE

is a registered trademark of National Semiconductor Corporation

C1995 National Semiconductor Corporation

RRD-B30M75Printed in U S A