54ACT521

更新时间： 2024-11-14 22:56:11

品牌	Logo	应用领域
美国国家半导体 - NSC		比较器
页数	文件大小	规格书
10页	199K
描述
8-Bit Identity Comparator

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数据手册

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54ACT521 数据手册

September 1998

54AC521 • 54ACT521

8-Bit Identity Comparator

General Description

The AC/ACT521 is an expandable 8-bit comparator. It com-

pares two words of up to eight bits each and provides a LOW

output when the two words match bit for bit. The expansion

Features

n I_CCreduced by 50%

n Compares two 8-bit words in 6.5 ns typ

n Expandable to any word length

n Outputs source/sink 24 mA

n ACT521 has TTL-compatible inputs

n Standard microcircuit Drawing (SMD)

54AC521: 5962-90985

input I_A

also serves as an active LOW enable input.

54ACT521: 5962-89793

Logic Symbols

Connection Diagram

Pin Assignment

for DIP and CERPACK

DS100291-1

IEEE/IEC

DS100291-2

Pin Assignment

for LCC

DS100291-4

DS100291-3

Pin Descriptions

Pin Names

Description

A₀–A₇

B₀–B₇

T_A

Word A Inputs

Word B Inputs

Expansion or Enable Input

Identity Output

O_A

™

FACT is a trademark of Fairchild Semiconductor Corporation.

DS100291

www.national.com

12 3 4 5 6 7...10

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与54ACT521相关器件

型号	品牌	获取价格	描述	数据表
54ACT521DM	FAIRCHILD	获取价格	Identity Comparator, ACT Series, 8-Bit, Inverted Output, CMOS, CDIP20, CERAMIC, DIP-20
54ACT521DMQB	FAIRCHILD	获取价格	Identity Comparator, ACT Series, 8-Bit, Inverted Output, CMOS, CDIP20, CERAMIC, DIP-20
54ACT521FM	FAIRCHILD	获取价格	Identity Comparator, ACT Series, 8-Bit, Inverted Output, CMOS, CDFP20, CERAMIC, FP-20
54ACT521FMQB	FAIRCHILD	获取价格	Identity Comparator, ACT Series, 8-Bit, Inverted Output, CMOS, CDFP20, CERAMIC, FP-20
54ACT521LMQB	FAIRCHILD	获取价格	Identity Comparator, ACT Series, 8-Bit, Inverted Output, CMOS, CQCC20, CERAMIC, LCC-20
54ACT521LMX	TI	获取价格	ACT SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, CQCC20, CERAMIC, LCC-20
54ACT533DM	ETC	获取价格	8-Bit D-Type Latch
54ACT533FM	ETC	获取价格	8-Bit D-Type Latch
54ACT533FMQB	FAIRCHILD	获取价格	Bus Driver, ACT Series, 1-Func, 8-Bit, Inverted Output, CMOS, CDFP20, CERAMIC, FP-20
54ACT533LM	ETC	获取价格	8-Bit D-Type Latch