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

74AC191SCQR产品属性

  • 类型

    描述

  • 型号

    74AC191SCQR

  • 功能描述

    Asynchronous Up/Down Counter

更新时间:2026-3-2 18:29:02
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
NAT
24+/25+
307
原装正品现货库存价优
FAIRCHILD/仙童
20+
原装
65790
原装优势主营型号-可开原型号增税票
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
Fairchild
2023+
16-SOIC
50000
原装现货
Fairchild
26+
16-SOIC
9526
代理全系列销售,全新原装正品,价格优势,长期供应,量大可订
fsc
24+
N/A
6980
原装现货,可开13%税票
FSC
25+
sop
3200
全新原装、诚信经营、公司现货销售
24+
30
Fairchild Semiconductor
24+25+
16500
全新原厂原装现货!受权代理!可送样可提供技术支持!
Fairchild/ON
22+
16SOP
9000
原厂渠道,现货配单

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