型号 功能描述 生产厂家 企业 LOGO 操作
74F191SMQB

Up/Down Binary Counter with Preset and Ripple Clock

文件:175.58 Kbytes Page:10 Pages

NSC

国半

Up/down binary counter with reset and ripple clock

DESCRIPTION The 74F191 is a 4-bit binary counter. It contains four edge-triggered master/slave flip-flops with internal gating and steering logic to provide asynchronous preset and synchronous count-up and count-down operations. FEATURES • High speed –125MHz typical fMAX • Synchronous, reversi

PHILIPS

飞利浦

Up/Down Binary Counter with Preset and Ripple Clock

General Description The 74F191 is a reversible modulo-16 binary counter featuring synchronous counting and asynchronous presetting. 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 v

FAIRCHILD

仙童半导体

Up/Down Binary Counter with Preset and Ripple Clock

文件:175.58 Kbytes Page:10 Pages

NSC

国半

Up/Down Binary Counter with Preset and Ripple Clock

文件:185.58 Kbytes Page:12 Pages

FAIRCHILD

仙童半导体

Up/Down Binary Counter with Preset and Ripple Clock

文件:196.68 Kbytes Page:10 Pages

NSC

国半

74F191SMQB产品属性

  • 类型

    描述

  • 型号

    74F191SMQB

  • 制造商

    NSC

  • 制造商全称

    National Semiconductor

  • 功能描述

    Up/Down Binary Counter with Preset and Ripple Clock

更新时间:2026-1-27 23:00:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
onsemi(安森美)
25+
SO-16P
11491
样件支持,可原厂排单订货!
onsemi(安森美)
25+
SO-16P
11543
正规渠道,免费送样。支持账期,BOM一站式配齐
S
23+
DIP16
20000
全新原装假一赔十
S
88+
DIP16
3560
全新原装进口自己库存优势
ph
25+
500000
行业低价,代理渠道
NS
9325G/QX
SOP
448
只做原装,现货库存
FSC
24+
DIP
15000
一级代理商原装进口现货
74F192N
25+
30
30
F
24+
DIP16P
6980
原装现货,可开13%税票
FSC
24+
DIP-16
184

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