Datasheet > JM54AC521B2A

JM54AC521B2A

更新时间： 2024-11-03 04:26:03

品牌	Logo	应用领域
德州仪器 - TI		逻辑集成电路
页数	文件大小	规格书
10页	199K
描述
Identity Comparator, CMOS, CQCC20

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数据手册

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JM54AC521B2A 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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