首页 >SN74LS221NDS>规格书列表
| 零件编号 | 下载 订购 | 功能描述/丝印 | 制造商 上传企业 | LOGO |
|---|---|---|---|---|
74LS221DualNon-RetriggerableOne-ShotwithClearandComplementaryOutputs GeneralDescription TheDM74LS221isadualmonostablemultivibratorwith Schmitt-triggerinput.Eachdevicehasthreeinputspermitting thechoiceofeitherleading-edgeortrailing-edgetriggering. Pin(A)isanactive-LOWtriggertransitioninputand pin(B)isanactive-HIGHtransitionSc | SYC SYC Electronica | SYC | ||
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 | Fairchild | ||
LOWPOWERSCHOTTKY DualMonostableMultivibratorswithSchmitt-Triggerinputs •SN74LS221isaDualHighlyStableOne-Shot •OverridingClearTerminatesOutputPulse •PinOutisIdenticaltoSN74LS123 | ONSEMION Semiconductor 安森美半导体安森美半导体公司 | ONSEMI | ||
DUALMONOSTABLEMULTIVIBRATORSWITHSCHMITT-TRIGGERINPUTS DUALMONOSTABLEMULTIVIBRATORSWITHSCHMITT-TRIGGERINPUTS EachmultivibratoroftheLS221featuresanegative-transition-triggeredinputandapositive-transition-triggeredinputeitherofwhichcanbeusedasaninhibitinput. Pulsetriggeringoccursatavoltagelevelandisnotrelated | MotorolaMotorola, Inc 摩托罗拉加尔文制造公司 | Motorola | ||
LOWPOWERSCHOTTKY DualMonostableMultivibratorswithSchmitt-Triggerinputs •SN74LS221isaDualHighlyStableOne-Shot •OverridingClearTerminatesOutputPulse •PinOutisIdenticaltoSN74LS123 | ONSEMION Semiconductor 安森美半导体安森美半导体公司 | ONSEMI | ||
DualNon-RetriggerableOne-ShotwithClearandComplementaryOutputs | NSCNational Semiconductor (TI) 美国国家半导体美国国家半导体公司 | NSC | ||
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 | Fairchild | ||
DualNon-RetriggerableOne-ShotwithClearandComplementaryOutputs | NSCNational Semiconductor (TI) 美国国家半导体美国国家半导体公司 | NSC | ||
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 | Fairchild | ||
DualNon-RetriggerableOne-ShotwithClearandComplementaryOutputs | NSCNational Semiconductor (TI) 美国国家半导体美国国家半导体公司 | NSC |
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