位置：首页 > IC中文资料 > HD74LS191FP
| 型号 | 功能描述 | 生产厂家&企业 | LOGO | 操作 |
|---|---|---|---|---|
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 |  |   | |
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, Ltd. 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 |  | | |
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 |
|---|---|---|---|---|---|---|---|
RENESAS/瑞萨 |
24+23+ |
DIP |
12580 |
16年现货库存供应商终端BOM表可配单提供样品 |
|||
RENESAS |
21+ |
DIP16 |
1280 |
原装现货假一赔十 |
|||
RENESAS |
23+ |
DIP16 |
3780 |
原厂原装正品 |
|||
HIT |
22+ |
DIP |
3200 |
全新原装品牌专营 |
|||
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 |
2020+ |
DIP |
5600 |
百分百原装正品 真实公司现货库存 本公司只做原装 可 |
|||
RENESAS/瑞萨 |
22+ |
SOP16 |
12800 |
本公司只做进口原装!优势低价出售! |
|||
HIT |
22+23+ |
DIP |
35772 |
绝对原装正品全新进口深圳现货 |
|||
HIT |
01+ |
DIP-20 |
6000 |
绝对原装自己现货 |
|||
HIT |
01+ |
DIP-20 |
21 |
原装现货海量库存欢迎咨询 |
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2019-8-24
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