74AC520

更新时间： 2024-10-31 22:53:11

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		比较器
页数	文件大小	规格书
8页	83K
描述
8-Bit Identity Comparator

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数据手册

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74AC520 数据手册

February 1989

Revised November 1999

74AC520 • 74ACT520

8-Bit Identity Comparator

General Description

Features

■ Compares two 8-bit words in 6.5 ns typ

■ Expandable to any word length

■ 20-pin package

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

expansion input I_{A = B}also serves as an active LOW enable

■ Outputs source/sink 24 mA

■ ACT520 has TTL-compatible inputs

input.

Ordering Code:

Order Number Package Number

Package Description

74AC520SC

74AC520PC

74ACT520SC

74ACT520SJ

74ACT520PC

M20B

N20A

M20B

M20D

N20A

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide Body

20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide Body

20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide

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

Logic Symbols

Connection Diagram

IEEE/IEC

Pin Descriptions

Pin Names

Description

Word A Inputs

Word B Inputs

A₀–A₇

B₀–B₇

T_{A = B}

O_{A = B}

Expansion or Enable Input

Identity Output

FACT is a trademark of Fairchild Semiconductor Corporation.

DS010194

www.fairchildsemi.com

12 3 4 5 6 7 8

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与74AC520相关器件

型号	品牌	获取价格	描述	数据表
74AC520_07	FAIRCHILD	获取价格	8-Bit Identity Comparator
74AC520DCQR	TI	获取价格	AC SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, CDIP20, CERAMIC, DIP-20
74AC520FC	FAIRCHILD	获取价格	Identity Comparator, AC Series, 8-Bit, Inverted Output, CMOS, CDFP20, CERAMIC, FP-20
74AC520FCQR	TI	获取价格	AC SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, CDFP20, CERAMIC, FP-20
74AC520FCT	FAIRCHILD	获取价格	Identity Comparator, AC Series, 8-Bit, Inverted Output, CMOS, CDFP20, CERAMIC, FP-20
74AC520FCTR	FAIRCHILD	获取价格	Identity Comparator, AC Series, 8-Bit, Inverted Output, CMOS, CDFP20, CERAMIC, FP-20
74AC520FCX	FAIRCHILD	获取价格	Identity Comparator, AC Series, 8-Bit, Inverted Output, CMOS, CDFP20, CERAMIC, FP-20
74AC520LC	TI	获取价格	AC SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, CQCC20, CERAMIC, LCC-20
74AC520LCQR	FAIRCHILD	获取价格	Identity Comparator, AC Series, 8-Bit, Inverted Output, CMOS, CQCC20, CERAMIC, LCC-20
74AC520LCTR	FAIRCHILD	获取价格	Identity Comparator, AC Series, 8-Bit, Inverted Output, CMOS, CQCC20, CERAMIC, LCC-20