54ACT520L

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54ACT520L 数据手册

September 1998

54AC520 • 54ACT520

8-Bit Identity Comparator

n Expandable to any word length

n 20-pin package

n Outputs source/sink 24 mA

n ’ACT520 has TTL-compatible inputs

n Standard Microcircuit Drawing (SMD)

54AC520: 5962-90916

General Description

The ’AC/’ACT520 are expandable 8-bit comparators. They

compare two words of up to eight bits each and provide a

LOW output when the two words match bit for bit. The ex-

pansion input I_{A B}also serves as an active LOW enable in-

put.

54ACT520: 5962-89793

Features

n Compares two 8-bit words in 6.5 ns typ

Logic Symbols

IEEE/IEC

DS100234-1

DS100234-4

Pin Names

A₀–A₇

Description

Word A Inputs

B₀–B₇

T_A

Word B Inputs

Expansion or Enable Input

Identity Output

O_A

™

FACT is a trademark of Fairchild Semiconductor Corporation.

DS100234

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型号	品牌	描述	获取价格	数据表
54ACT520LM	FAIRCHILD	Identity Comparator, ACT Series, 8-Bit, Inverted Output, CMOS, CQCC20, CERAMIC, LCC-20	获取价格
54ACT520LMQB	FAIRCHILD	Identity Comparator, ACT Series, 8-Bit, Inverted Output, CMOS, CQCC20, CERAMIC, LCC-20	获取价格
54ACT520LMX	TI	ACT SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, CQCC20, CERAMIC, LCC-20	获取价格
54ACT521	NSC	8-Bit Identity Comparator	获取价格
54ACT521DM	FAIRCHILD	Identity Comparator, ACT Series, 8-Bit, Inverted Output, CMOS, CDIP20, CERAMIC, DIP-20	获取价格
54ACT521DMQB	FAIRCHILD	Identity Comparator, ACT Series, 8-Bit, Inverted Output, CMOS, CDIP20, CERAMIC, DIP-20	获取价格