位置：首页 > IC中文资料第1371页 > HD74LS191
| 型号 | 功能描述 | 生产厂家&企业 | LOGO | 操作 |
|---|---|---|---|---|
HD74LS191 | SynchronousUp/Down4-bitBinaryCounters(singleclockline) ●Quadrupie2-InputPositiveNANDGates ●Quadruple2-InputPositiveNANDGates(withOpenCollectorOutput) (Continue....) | HitachiHitachi, Ltd. 日立公司 |  |   |
HD74LS191 | SynchronousUp/Down4-bitBinaryCounter(singleclockline) SynchronousUp/Down4-bitBinaryCounter(singleclockline) Synchronousoperationisprovidedbyhavingallflip-flopsclockedsimultaneouslysothatthesteeringlogic.Thismodeofoperationeliminatestheoutputcountingspikesnormallyassociatedwithasynchronous(rippleclock)counters. | RENESASRenesas Electronics America 瑞萨瑞萨科技有限公司 |  | |
HD74LS191 | Ouadruple2-inputPositiveNANDGates 文件：6.85482 Mbytes Page：273 Pages | HitachiHitachi, Ltd. 日立公司 | | |
SynchronousUp/Down4-bitBinaryCounter(singleclockline) SynchronousUp/Down4-bitBinaryCounter(singleclockline) Synchronousoperationisprovidedbyhavingallflip-flopsclockedsimultaneouslysothatthesteeringlogic.Thismodeofoperationeliminatestheoutputcountingspikesnormallyassociatedwithasynchronous(rippleclock)counters. | RENESASRenesas Electronics America 瑞萨瑞萨科技有限公司 | | | |
SynchronousUp/Down4-bitBinaryCounter(singleclockline) SynchronousUp/Down4-bitBinaryCounter(singleclockline) Synchronousoperationisprovidedbyhavingallflip-flopsclockedsimultaneouslysothatthesteeringlogic.Thismodeofoperationeliminatestheoutputcountingspikesnormallyassociatedwithasynchronous(rippleclock)counters. | RENESASRenesas Electronics America 瑞萨瑞萨科技有限公司 | | | |
SynchronousUp/Down4-bitBinaryCounters(singleclockline) ●Quadrupie2-InputPositiveNANDGates ●Quadruple2-InputPositiveNANDGates(withOpenCollectorOutput) (Continue....) | HitachiHitachi, Ltd. 日立公司 | | | |
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 |  | | |
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 |  | | |
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 |  | |
| 替换型号 | 功能描述 | 生产厂家&企业 | LOGO | 操作 |
|---|---|---|---|---|
Synchronous 4-Bit Up/Down Counter with Mode Control | FairchildFairchild Semiconductor 仙童半导体飞兆/仙童半导体公司 | | | |
Synchronous 4-Bit Up/Down Counters with Mode Control | NSCNational Semiconductor (TI) 美国国家半导体美国国家半导体公司 | | | |
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL | TITexas Instruments 德州仪器美国德州仪器公司 |  | | |
PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS | MotorolaMotorola, Inc 摩托罗拉 | | | |
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL | TITexas Instruments 德州仪器美国德州仪器公司 | | |
HD74LS191产品属性
- 类型
描述
- 型号
HD74LS191
- 制造商
Renesas Electronics
- 功能描述
74LS Counter
- 制造商
Renesas Electronics
- 功能描述
74LS Counter Bulk
| IC供应商 | 芯片型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
HITACHI/日立 |
23+ |
NA/ |
437 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
|||
HIT |
23+ |
DIP16 |
18000 |
||||
RENESAS/瑞萨 |
1948+ |
SOP |
6852 |
只做原装正品现货!或订货假一赔十! |
|||
RENESAS |
21+ |
DIP16 |
1280 |
原装现货假一赔十 |
|||
HIT |
22+23+ |
DIP |
35772 |
绝对原装正品全新进口深圳现货 |
|||
DIP-16 |
25 |
||||||
RENESAS |
DIP |
1472 |
正品原装--自家现货-实单可谈 |
||||
HITACHI/日立 |
DIP |
265209 |
假一罚十原包原标签常备现货! |
||||
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! |
HD74LS191芯片相关品牌
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