Datasheet > 74F191_07

74F191_07

更新时间： 2024-09-18 04:28:47

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		计数器时钟
页数	文件大小	规格书
12页	185K
描述
Up/Down Binary Counter with Preset and Ripple Clock

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74F191_07 数据手册

April 2007

74F191

Up/Down Binary Counter with Preset and Ripple Clock

Features

General Description

■ High-Speed—125MHz typical count frequency

■ Synchronous counting

The 74F191 is a reversible modulo-16 binary counter

featuring synchronous counting and asynchronous pre-

setting. The preset feature allows the 74F191 to be used

in programmable dividers. The Count Enable input, the

Terminal Count output and Ripple Clock output make

possible a variety of methods of implementing multistage

counters. In the counting modes, state changes are initi-

ated by the rising edge of the clock.

■ Asynchronous parallel load

■ Cascadable

Ordering Information

Order

Number

Package

Number

Package Description

74F191SC

74F191SJ

74F191PC

M16A

M16D

N16E

16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow

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

16-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 number.

Logic Symbols

Connection Diagram

IEEE/IEC

74F191 Rev. 1.0.2

www.fairchildsemi.com

12 3 4 5 6 7...12

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与74F191_07相关器件

型号	品牌	获取价格	描述	数据表
74F191D	YAGEO	获取价格	Binary Counter, F/FAST Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional,
74F191DC	ETC	获取价格	Synchronous Up/Down Counter
74F191DCQB	FAIRCHILD	获取价格	Up/Down Binary Counter with Preset and Ripple Clock
74F191DCQM	FAIRCHILD	获取价格	Binary Counter, Synchronous, Bidirectional, TTL, CDIP16,
74F191DCQR	FAIRCHILD	获取价格	Binary Counter, F/FAST Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional,
74F191DCX	FAIRCHILD	获取价格	Up/Down Binary Counter with Preset and Ripple Clock
74F191DMQB	FAIRCHILD	获取价格	Up/Down Binary Counter with Preset and Ripple Clock
74F191DMX	FAIRCHILD	获取价格	Up/Down Binary Counter with Preset and Ripple Clock
74F191FC	FAIRCHILD	获取价格	Binary Counter, Synchronous, Bidirectional, TTL, CDFP16,
74F191FCQB	FAIRCHILD	获取价格	Up/Down Binary Counter with Preset and Ripple Clock