9403ADCQB

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9403ADCQB 数据手册

April 1989

Revised June 1999

9403A

First-In First-Out (FIFO) Buffer Memory

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

satility and is fully compatible with all TTL families.

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.

Features

■ Serial or parallel input

■ Serial or parallel output

■ Expandable without external logic

■ 3-STATE outputs

■ Fully compatible with all TTL families

■ Slim 24-pin package

Ordering Code:

Order Number

Package Number Package Description

N24E 24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-011, 0.400 Wide

9403APC

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

Logic Symbol

Connection Diagram

DS010193.prf

www.fairchildsemi.com

12 3 4 5 6 7...16

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型号	品牌	获取价格	描述	数据表
9403ADCQC	FAIRCHILD	获取价格	FIFO, 16X4, Asynchronous, TTL, CDIP24,
9403ADCQM	ROCHESTER	获取价格	FIFO,
9403ADCQP	FAIRCHILD	获取价格	FIFO, 16X4, Asynchronous, TTL, CDIP24,
9403ADCQR	FAIRCHILD	获取价格	FIFO, 16X4, Asynchronous, TTL, CDIP24,
9403ADCQR	TI	获取价格	16 X 4 OTHER FIFO, CDIP24
9403ADCQR	NSC	获取价格	IC 16 X 4 OTHER FIFO, CDIP24, CERAMIC, DIP-24, FIFO
9403ADM	FAIRCHILD	获取价格	FIFO, 16X4, Asynchronous, TTL, CDIP24,
9403ADM	ROCHESTER	获取价格	FIFO,
9403ADMQB	NSC	获取价格	IC 16 X 4 OTHER FIFO, CDIP24, CERAMIC, DIP-24, FIFO
9403ADMQB	ROCHESTER	获取价格	FIFO,