型号 功能描述 生产厂家&企业 LOGO 操作
74LS191N

PRESETTABLEBCD/DECADEUP/DOWNCOUNTERSPRESETTABLE4-BITBINARYUP/DOWNCOUNTERS

PRESETTABLEBCD/DECADEUP/DOWNCOUNTERS PRESETTABLE4-BITBINARYUP/DOWNCOUNTERS TheSN54/74LS190isasynchronousUP/DOWNBCDDecade(8421)CounterandtheSN54/74LS191isasynchronousUP/DOWNModulo-16BinaryCounter.StatechangesofthecountersaresynchronouswiththeLOW-to-HIGHtransit

MotorolaMotorola, Inc

摩托罗拉加尔文制造公司

Motorola

Synchronous4-BitUp/DownCounterwithModeControl

GeneralDescription TheDM74LS191circuitisasynchronous,reversible,up/downcounter.Synchronousoperationisprovidedbyhavingallflip-flopsclockedsimultaneously,sothattheoutputschangesimultaneouslywhensoinstructedbythesteeringlogic.Thismodeofoperationeliminatestheout

FairchildFairchild Semiconductor

仙童半导体飞兆/仙童半导体公司

Fairchild

SynchronousUp/Down4-bitBinaryCounters(singleclockline)

●Quadrupie2-InputPositiveNANDGates ●Quadruple2-InputPositiveNANDGates(withOpenCollectorOutput) (Continue....)

HitachiHitachi Semiconductor

日立日立公司

Hitachi

Synchronous4-BitUp/DownCounterwithModeControl

GeneralDescription TheDM74LS191circuitisasynchronous,reversible,up/downcounter.Synchronousoperationisprovidedbyhavingallflip-flopsclockedsimultaneously,sothattheoutputschangesimultaneouslywhensoinstructedbythesteeringlogic.Thismodeofoperationeliminatestheout

FairchildFairchild Semiconductor

仙童半导体飞兆/仙童半导体公司

Fairchild

Synchronous4-BitUp/DownCounterswithModeControl

文件:174.74 Kbytes Page:8 Pages

NSCNational Semiconductor (TI)

美国国家半导体美国国家半导体公司

NSC

74LS191N产品属性

  • 类型

    描述

  • 型号

    74LS191N

  • 制造商

    North American Philips Discrete Products Div

  • 功能描述

    Counter, Up/Down, 4 Bit Binary, 16 Pin, Plastic, DIP

更新时间:2025-7-30 13:36:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI
24+
DIP
6430
原装现货/欢迎来电咨询
SIGN
23+
NA
9856
原装正品,假一罚百!
FUJITSU
24+
DIP
2987
只售原装自家现货!诚信经营!欢迎来电!
74LS191N
1
1
FUJI/富士电机
24+
NA/
133
优势代理渠道,原装正品,可全系列订货开增值税票
TI(德州仪器)
24+
NA/
7350
现货供应,当天可交货!免费送样,原厂技术支持!!!
PHI
23+
DIP
5000
专注配单,只做原装进口现货
F
23+
DIP
5000
原厂授权代理,海外优势订货渠道。可提供大量库存,详
PHI
23+
DIP
5000
专注配单,只做原装进口现货
FAIRCHILD/仙童
23+
DIP
50000
全新原装正品现货,支持订货

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