74F521SCX_NL

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74F521SCX_NL 数据手册

April 1988

Revised August 1999

74F521

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 74F521 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 input I_A=Balso serves as an active LOW enable

input.

Ordering Code:

Order Number Package Number

Package Description

74F521SC

74F521SJ

74F521MSA

74F521PC

M20B

M20D

MSA20

N20A

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

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

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

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

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

Logic Symbols

Connection Diagram

IEEE/IEC

DS009545

www.fairchildsemi.com

12 3 4 5 6 7

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型号	品牌	获取价格	描述	数据表
74F521SJ	NSC	获取价格	8-Bit Identity Comparator
74F521SJ	TI	获取价格	F/FAST SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDSO20, 0.300 INCH, EIAJ, PLAST
74F521SJ	FAIRCHILD	获取价格	8-Bit Identity Comparator
74F521SJX	TI	获取价格	F/FAST SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDSO20, 0.300 INCH, EIAJ, PLAST
74F521SJX_NL	FAIRCHILD	获取价格	暂无描述
74F521SPCQR	FAIRCHILD	获取价格	Identity Comparator, F/FAST Series, 8-Bit, Inverted Output, TTL, PDIP20, SLIM, PLASTIC, DI
74F521VC	FAIRCHILD	获取价格	Identity Comparator, F/FAST Series, 8-Bit, Inverted Output, TTL, PDSO20, 0.300 INCH, SOIC-
74F524	NXP	获取价格	8-bit register comparator open-collector 3-State
74F524	FAIRCHILD	获取价格	8-Bit Registered Comparator
74F524DC	NSC	获取价格	IC F/FAST SERIES, 8-BIT MAGNITUDE COMPARATOR, TRUE OUTPUT, CDIP20, CERAMIC, DIP-20, Arithm