9403A 查看數據表（PDF） - Fairchild Semiconductor

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9403A

First-In First-Out (FIFO) Buffer Memory

Fairchild Semiconductor 

April 1989

Revised October 2000

9403A

First-In First-Out (FIFO) Buffer Memory

General Description

The 9403A is an expandable fall-through type high-speed

First-In First-Out (FIFO) Buffer Memory optimized for high

speed disk or tape controllers and communication buffer

applications. It is organized as 16-words by 4-bits and may

be expanded to any number of words or any number of bits

in multiples of four. Data may be entered or extracted asyn-

chronously in serial or parallel, allowing economical imple-

mentation of buffer memories.

The 9403A has 3-STATE outputs which provide added ver-

satility and is fully compatible with all TTL families.

Features

s Serial or parallel input

s Serial or parallel output

s Expandable without external logic

s 3-STATE outputs

s Fully compatible with all TTL families

s Slim 24-pin package

Ordering Code:

Order Number Package Number

Package Description

9403APC

N24E

24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-010, 0.400 Wide

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Logic Symbol

Connection Diagram

© 2000 Fairchild Semiconductor Corporation DS010193

www.fairchildsemi.com

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