位置：首页 > IC中文资料 > HD74LS191FPEL
| 型号 | 功能描述 | 生产厂家&企业 | LOGO | 操作 |
|---|---|---|---|---|
HD74LS191FPEL | SynchronousUp/Down4-bitBinaryCounter(singleclockline) SynchronousUp/Down4-bitBinaryCounter(singleclockline) Synchronousoperationisprovidedbyhavingallflip-flopsclockedsimultaneouslysothatthesteeringlogic.Thismodeofoperationeliminatestheoutputcountingspikesnormallyassociatedwithasynchronous(rippleclock)counters. | RENESASRenesas Technology Corp 瑞萨瑞萨科技有限公司 |  |   |
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 |  | | |
SynchronousUp/Down4-bitBinaryCounters(singleclockline) ●Quadrupie2-InputPositiveNANDGates ●Quadruple2-InputPositiveNANDGates(withOpenCollectorOutput) (Continue....) | HitachiHitachi Semiconductor 日立日立公司 |  | | |
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 |  | | |
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 | | | |
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 |  | |
| IC供应商 | 芯片型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
HITACHI/日立 |
24+ |
NA/ |
437 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
|||
RENESAS |
14+;12+ |
DIP-16 |
12 |
一级代理,专注军工、汽车、医疗、工业、新能源、电力 |
|||
HIT |
25+23+ |
DIP |
35772 |
绝对原装正品全新进口深圳现货 |
|||
HIT |
23+ |
DIP |
3200 |
全新原装、诚信经营、公司现货销售 |
|||
24+ |
DIP-16 |
25 |
|||||
RENESAS |
19+ |
DIP16 |
73024 |
原厂代理渠道,每一颗芯片都可追溯原厂； |
|||
HIT |
22+ |
DIP-20 |
1000 |
全新原装现货!自家库存! |
|||
HITACHI |
24+ |
DIP16 |
5000 |
全新原装正品,现货销售 |
|||
HIT |
23+ |
TSSOP |
5000 |
原装正品,假一罚十 |
|||
HIT |
22+ |
DIP |
45000 |
进口原装,假一罚十 |
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