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74ACT843SPC

9-Bit Transparent Latch

Fairchild Semiconductor 

July 1988

Revised September 2000

74ACT843

9-Bit Transparent Latch

General Description

The ACT843 bus interface latch is designed to eliminate

the extra packages required to buffer existing latches and

provide extra data width for wider address/data paths.

Features

s TTL compatible inputs

s 3-STATE outputs for bus interfacing

Ordering Code:

Order Number Package Number

Package Description

74ACT843SC

M24B

24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide

74ACT843SPC

N24C

24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide

Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code. (SPC not available in Tape and Reel.)

Logic Symbols

Connection Diagram

IEEE/IEC

Pin Descriptions

Pin Names

D0–D8

O0–O8

OE

LE

CLR

PRE

Description

Data Inputs

Data Outputs

Output Enable

Latch Enable

Clear

Preset

FACT is a trademark of Fairchild Semiconductor Corporation

© 2000 Fairchild Semiconductor Corporation DS009800

www.fairchildsemi.com

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