型号 功能描述 生产厂家&企业 LOGO 操作

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

DUALMONOSTABLEMULTIVIBRATORSWITHSCHMITT-TRIGGERINPUTS

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

MotorolaMotorola, Inc

摩托罗拉加尔文制造公司

Motorola

DN74LS221D产品属性

  • 类型

    描述

  • 型号

    DN74LS221D

  • 功能描述

    Logic IC

更新时间:2025-5-14 20:00:02
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
RENESAS/瑞萨
24+
NA/
3295
原装现货,当天可交货,原型号开票
FAIRCHILD
23+
NA
19960
只做进口原装,终端工厂免费送样
MOT
24+
DIP
72
只做原装正品现货 欢迎来电查询15919825718
TI
21+
DIP
96
原装现货假一赔十
ON/安森美
18+
SOP-16
12500
全新原装正品,本司专业配单,大单小单都配
TI
25+23+
NA
17808
绝对原装正品全新进口深圳现货
TI
24+
SOP
2650
原装优势!绝对公司现货
MOT
23+
SOP
3200
全新原装、诚信经营、公司现货销售
mot
24+
N/A
6980
原装现货,可开13%税票
HITACHI/日立
24+
SOP-16
20
只做原厂渠道 可追溯货源

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