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| 型号 | 功能描述 | 生产厂家&企业 | LOGO | 操作 |
|---|---|---|---|---|
HD74LS221 | DualMonostableMultivibrators ●Quadrupie2-InputPositiveNANDGates ●Quadruple2-InputPositiveNANDGates(withOpenCollectorOutput) (Continue....) | HitachiHitachi, Ltd. 日立公司 |  |   |
HD74LS221 | DualMonostableMultivibrators Thismultivibratorfeaturesanegative-transition-triggeredinputandapositive-transition-triggeredinputeitherofwhichcanbeusedasaninhibitinput.Pulsetriggeringoccursataparticularvoltagelevelandisnotdirectlyrelatedtothetransitiontimeoftheinputpulse.Schmitt-trigger | RENESASRenesas Electronics America 瑞萨瑞萨科技有限公司 |  | |
HD74LS221 | Ouadruple2-inputPositiveNANDGates 文件：6.85482 Mbytes Page：273 Pages | HitachiHitachi, Ltd. 日立公司 | | |
DualMonostableMultivibrators Thismultivibratorfeaturesanegative-transition-triggeredinputandapositive-transition-triggeredinputeitherofwhichcanbeusedasaninhibitinput.Pulsetriggeringoccursataparticularvoltagelevelandisnotdirectlyrelatedtothetransitiontimeoftheinputpulse.Schmitt-trigger | RENESASRenesas Electronics America 瑞萨瑞萨科技有限公司 | | | |
DualMonostableMultivibrators Thismultivibratorfeaturesanegative-transition-triggeredinputandapositive-transition-triggeredinputeitherofwhichcanbeusedasaninhibitinput.Pulsetriggeringoccursataparticularvoltagelevelandisnotdirectlyrelatedtothetransitiontimeoftheinputpulse.Schmitt-trigger | RENESASRenesas Electronics America 瑞萨瑞萨科技有限公司 | | | |
LOWPOWERSCHOTTKY DualMonostableMultivibratorswithSchmitt-Triggerinputs •SN74LS221isaDualHighlyStableOne-Shot •OverridingClearTerminatesOutputPulse •PinOutisIdenticaltoSN74LS123 | ONSEMION Semiconductor 安森美半导体安森美半导体公司 |  | | |
DualNon-RetriggerableOne-ShotwithClearandComplementaryOutputs GeneralDescription TheDM74LS221isadualmonostablemultivibratorwithSchmitt-triggerinput.Eachdevicehasthreeinputspermittingthechoiceofeitherleading-edgeortrailing-edgetriggering.Pin(A)isanactive-LOWtriggertransitioninputandpin(B)isanactive-HIGHtransitionSchm | FairchildFairchild Semiconductor 仙童半导体飞兆/仙童半导体公司 |  | | |
LOWPOWERSCHOTTKY DualMonostableMultivibratorswithSchmitt-Triggerinputs •SN74LS221isaDualHighlyStableOne-Shot •OverridingClearTerminatesOutputPulse •PinOutisIdenticaltoSN74LS123 | ONSEMION Semiconductor 安森美半导体安森美半导体公司 | | | |
DUALMONOSTABLEMULTIVIBRATORSWITHSCHMITT-TRIGGERINPUTS DUALMONOSTABLEMULTIVIBRATORSWITHSCHMITT-TRIGGERINPUTS EachmultivibratoroftheLS221featuresanegative-transition-triggeredinputandapositive-transition-triggeredinputeitherofwhichcanbeusedasaninhibitinput. Pulsetriggeringoccursatavoltagelevelandisnotrelated | MotorolaMotorola, Inc 摩托罗拉 |  | | |
DualNon-RetriggerableOne-ShotwithClearandComplementaryOutputs GeneralDescription TheDM74LS221isadualmonostablemultivibratorwithSchmitt-triggerinput.Eachdevicehasthreeinputspermittingthechoiceofeitherleading-edgeortrailing-edgetriggering.Pin(A)isanactive-LOWtriggertransitioninputandpin(B)isanactive-HIGHtransitionSchm | FairchildFairchild Semiconductor 仙童半导体飞兆/仙童半导体公司 | | |
| 替换型号 | 功能描述 | 生产厂家&企业 | LOGO | 操作 |
|---|---|---|---|---|
Dual non-retriggerable monostable multivibrator with reset | PhilipsROYAL PHILIPS 飞利浦荷兰皇家飞利浦 |  | | |
Dual Non-Retriggerable Monostable Multivibrator | FairchildFairchild Semiconductor 仙童半导体飞兆/仙童半导体公司 | | | |
Dual Monostable Multivibrators (with Schmitt Trigger Input) | HitachiHitachi, Ltd. 日立公司 | | | |
High Speed CMOS Logic Dual Monostable Multivibrator with Reset | TITexas Instruments 德州仪器美国德州仪器公司 |  | | |
LOW POWER SCHOTTKY | ONSEMION Semiconductor 安森美半导体安森美半导体公司 | | | |
Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs | FairchildFairchild Semiconductor 仙童半导体飞兆/仙童半导体公司 | | | |
LOW POWER SCHOTTKY | ONSEMION Semiconductor 安森美半导体安森美半导体公司 | | | |
DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS | TITexas Instruments 德州仪器美国德州仪器公司 | | | |
DUAL MONOSTABLE MULTIVIBRATPORS WITH SCHMITT-TRIGGER INPUTS | TITexas Instruments 德州仪器美国德州仪器公司 | | | |
DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS | TITexas Instruments 德州仪器美国德州仪器公司 | | |
HD74LS221产品属性
- 类型
描述
- 型号
HD74LS221
- 制造商
Panasonic Industrial Company
- 功能描述
I.C.
| IC供应商 | 芯片型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
HITACHI |
2016+ |
SOP16 |
3900 |
只做原装,假一罚十,公司可开17%增值税发票! |
|||
HIT |
23+ |
DIP16 |
20000 |
全新原装假一赔十 |
|||
HIT |
2020+ |
SOP |
80000 |
只做自己库存,全新原装进口正品假一赔百,可开13%增 |
|||
RENESAS |
589220 |
16余年资质 绝对原盒原盘 更多数量 |
|||||
HITACHI/日立 |
21+ROHS |
SOP16 |
10000 |
原厂授权一级代理,专业海外优势订货,价格优势、品种 |
|||
TI |
23+ |
NA |
3680 |
专业电子元器件供应链正迈科技特价代理QQ1304306553 |
|||
HITACHI |
23+ |
DIP16 |
90000 |
只做原厂渠道价格优势可提供技术支持 |
|||
HIT |
23+ |
SOP |
28000 |
原装正品 |
|||
HIT |
96+ |
DIP16 |
2450 |
全新原装进口自己库存优势 |
|||
TI |
HIT |
100 |
正品原装--自家现货-实单可谈 |
HD74LS221芯片相关品牌
HD74LS221规格书下载地址
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HD74LS221数据表相关新闻
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2012-11-5
DdatasheetPDF页码索引
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