型号 功能描述 生产厂家 企业 LOGO 操作

Up/Down Counter with Preset and Ripple Clock

General Description The AC191 is a reversible modulo 16 binary counter. It features synchronous counting and asynchronous presetting. The preset feature allows the AC191 to be used in programmable dividers. The Count Enable input, the Terminal Count output and the Ripple Clock output make possibl

Fairchild

仙童半导体

Up/Down Counter with Preset and Ripple Clock

General Description The AC191 is a reversible modulo 16 binary counter. It features synchronous counting and asynchronous presetting. The preset feature allows the AC191 to be used in programmable dividers. The Count Enable input, the Terminal Count output and the Ripple Clock output make possibl

Fairchild

仙童半导体

Up/Down Counter with Preset and Ripple Clock

General Description The AC191 is a reversible modulo 16 binary counter. It features synchronous counting and asynchronous presetting. The preset feature allows the AC191 to be used in programmable dividers. The Count Enable input, the Terminal Count output and the Ripple Clock output make possibl

Fairchild

仙童半导体

Up/Down Counter with Preset and Ripple Clock

General Description The AC191 is a reversible modulo 16 binary counter. It features synchronous counting and asynchronous presetting. The preset feature allows the AC191 to be used in programmable dividers. The Count Enable input, the Terminal Count output and the Ripple Clock output make possibl

Fairchild

仙童半导体

Up/Down Counter with Preset and Ripple Clock

General Description The AC191 is a reversible modulo 16 binary counter. It features synchronous counting and asynchronous presetting. The preset feature allows the AC191 to be used in programmable dividers. The Count Enable input, the Terminal Count output and the Ripple Clock output make possibl

Fairchild

仙童半导体

74AC191PCQR产品属性

  • 类型

    描述

  • 型号

    74AC191PCQR

  • 功能描述

    Asynchronous Up/Down Counter

更新时间:2025-11-22 8:41:02
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
fsc
24+
N/A
6980
原装现货,可开13%税票
FS
24+
原厂封装
65250
支持样品,原装现货,提供技术支持!
NS
25+
SOP3.9
336
百分百原装正品 真实公司现货库存 本公司只做原装 可
onsemi(安森美)
24+
SO16P
940
只做原装,提供一站式配单服务,代工代料。BOM配单
N/A
2023+
NA
8800
正品渠道现货 终端可提供BOM表配单。
NS/国半
24+
NA/
3264
原装现货,当天可交货,原型号开票
HAR
23+
NA
5000
全新原装假一赔十
FAIRCHILD/仙童
20+
原装
65790
原装优势主营型号-可开原型号增税票
NAT
24+/25+
307
原装正品现货库存价优
N/A
/
NA
100
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