74F579

更新时间： 2024-11-20 22:49:47

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		计数器
页数	文件大小	规格书
7页	74K
描述
8-Bit Bidirectional Binary Counter with 3-STATE Outputs

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数据手册

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74F579 数据手册

April 1988

Revised August 1999

74F579

8-Bit Bidirectional Binary Counter with 3-STATE Outputs

General Description

Features

■ Multiplexed 3-STATE I/O ports

The 74F579 is

fully synchronous 8-stage up/down

counter with multiplexed 3-STATE I/O ports for bus-ori-

ented applications. It features a preset capability for pro-

grammable operation, carry lookahead for easy cascading

and a U/D input to control the direction of counting. All state

changes, whether in counting or parallel loading, are initi-

ated by the rising edge of the clock.

■ Built-in lookahead carry capability

■ Count frequency 100 MHz typical

■ Supply current 75 mA typical

■ Guaranteed 4000V minimum ESD protection

Ordering Code:

Order Number Package Number

Package Description

74F579SC

74F579SJ

74F579PC

M20B

M20D

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 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” tot he ordering code.

Logic Symbol

Connection Diagram

DS009568

www.fairchildsemi.com

12 3 4 5 6 7

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与74F579相关器件

型号	品牌	获取价格	描述	数据表
74F579_00	FAIRCHILD	获取价格	8-Bit Bidirectional Binary Counter with 3-STATE Outputs
74F579DC	TI	获取价格	IC F/FAST SERIES, SYN POSITIVE EDGE TRIGGERED 8-BIT BIDIRECTIONAL BINARY COUNTER, CDIP20,
74F579DCQR	TI	获取价格	F/FAST SERIES, SYN POSITIVE EDGE TRIGGERED 8-BIT BIDIRECTIONAL BINARY COUNTER, CDIP20, CER
74F579L1C	FAIRCHILD	获取价格	Binary Counter, F/FAST Series, Synchronous, Positive Edge Triggered, 8-Bit, Bidirectional,
74F579L1CQR	FAIRCHILD	获取价格	Binary Counter, F/FAST Series, Synchronous, Positive Edge Triggered, 8-Bit, Bidirectional,
74F579LC	TI	获取价格	F/FAST SERIES, SYN POSITIVE EDGE TRIGGERED 8-BIT BIDIRECTIONAL BINARY COUNTER, CQCC20, CER
74F579PC	FAIRCHILD	获取价格	8-Bit Bidirectional Binary Counter with 3-STATE Outputs
74F579PC_NL	FAIRCHILD	获取价格	Binary Counter, F/FAST Series, Synchronous, Positive Edge Triggered, 8-Bit, Bidirectional,
74F579PCQR	NSC	获取价格	8-Bit Bidirectional Binary Counter with TRI-STATE Outputs
74F579PCX	TI	获取价格	F/FAST SERIES, SYN POSITIVE EDGE TRIGGERED 8-BIT BIDIRECTIONAL BINARY COUNTER, PDIP20, DIP