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9403APCQM

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9403APCQM 技术参数

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
9403APCQR	ROCHESTER	获取价格	FIFO,
9403APCX	FAIRCHILD	获取价格	FIFO, 16X4, Asynchronous, TTL, PDIP24,
9403ASDC	NSC	获取价格	IC,FIFO,16X4,ASYNCHRONOUS,STD-TTL,DIP,24PIN,CERAMIC
9403ASDCQR	TI	获取价格	16 X 4 OTHER FIFO, CDIP24
9403ASDCQR	NSC	获取价格	IC 16 X 4 OTHER FIFO, CDIP24, 0.300 INCH, CERAMIC, DIP-24, FIFO
9403ASDM	NSC	获取价格	IC,FIFO,16X4,ASYNCHRONOUS,STD-TTL,DIP,24PIN,CERAMIC
9403ASDMQB	FAIRCHILD	获取价格	FIFO, 16X4, Asynchronous, TTL, CDIP24,
9403ASDMQB	NSC	获取价格	IC 16 X 4 OTHER FIFO, CDIP24, 0.300 INCH, CERAMIC, DIP-24, FIFO
9403ASDMQB	TI	获取价格	16 X 4 OTHER FIFO, CDIP24
9403DMQB	FAIRCHILD	获取价格	FIFO, 16X4, Asynchronous, TTL, CDIP24,