型号 功能描述 生产厂家 企业 LOGO 操作
74F191LMQB

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

74F191LMQB产品属性

  • 类型

    描述

  • 型号

    74F191LMQB

  • 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:2026-3-2 10:00:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
ALTEAR直供
BGA
2800
莱克讯每片来自原厂!价格超越代理!只做进口原装!
FAI
25+23+
DIP-16
6832
绝对原装正品全新进口深圳现货
NS
23+
DIP
50000
全新原装正品现货,支持订货
SIGN
23+
NA
9856
原装正品,假一罚百!
FSC
23+
NA
20000
全新原装假一赔十
Fairchild/ON
22+
16PDIP
9000
原厂渠道,现货配单
仙童FAIR
87+
DIP16
2890
全新原装进口自己库存优势
Siemens
25+
41
公司优势库存 热卖中!!
NS
DIP
630
正品原装--自家现货-实单可谈
PHIL
24+/25+
68
原装正品现货库存价优

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