型号 功能描述 生产厂家&企业 LOGO 操作
74LS221N

DUALMONOSTABLEMULTIVIBRATORSWITHSCHMITT-TRIGGERINPUTS

DUALMONOSTABLEMULTIVIBRATORSWITHSCHMITT-TRIGGERINPUTS EachmultivibratoroftheLS221featuresanegative-transition-triggeredinputandapositive-transition-triggeredinputeitherofwhichcanbeusedasaninhibitinput. Pulsetriggeringoccursatavoltagelevelandisnotrelated

MotorolaMotorola, Inc

摩托罗拉加尔文制造公司

Motorola
74LS221N

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

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

74LS221DualNon-RetriggerableOne-ShotwithClearandComplementaryOutputs

GeneralDescription TheDM74LS221isadualmonostablemultivibratorwith Schmitt-triggerinput.Eachdevicehasthreeinputspermitting thechoiceofeitherleading-edgeortrailing-edgetriggering. Pin(A)isanactive-LOWtriggertransitioninputand pin(B)isanactive-HIGHtransitionSc

SYC

SYC Electronica

SYC

LOWPOWERSCHOTTKY

DualMonostableMultivibratorswithSchmitt-Triggerinputs •SN74LS221isaDualHighlyStableOne-Shot •OverridingClearTerminatesOutputPulse •PinOutisIdenticaltoSN74LS123

ONSEMION Semiconductor

安森美半导体安森美半导体公司

ONSEMI

74LS221N产品属性

  • 类型

    描述

  • 型号

    74LS221N

  • 制造商

    Texas Instruments

更新时间:2025-8-2 23:00:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI/德州仪器
24+
NA/
95
优势代理渠道,原装正品,可全系列订货开增值税票
MAT
25+
DIP
880000
明嘉莱只做原装正品现货
TI
25+23+
NA
17808
绝对原装正品全新进口深圳现货
24+
5000
公司存货
TI
17+
NA
6200
100%原装正品现货
TI
1728+
DIP16
6500
只做原装进口,假一罚十
HD
05+
100
原装正品
TI/德州仪器
23+
SOP-5.2
3000
一级代理原厂VIP渠道,专注军工、汽车、医疗、工业、
TI
2023+
175
8700
原装现货
N/A
23+
80000
专注配单,只做原装进口现货

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