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DM74LS257

TRI-STATEQuad2-DataSelectors/Multiplexers

NSCNational Semiconductor (TI)

美国国家半导体美国国家半导体公司

DM74LS257

3-STATEQuad2-DataSelectors/Multiplexers

GeneralDescription TheseSchottky-clampedhigh-performancemultiplexersfeature3-STATEoutputsthatcaninterfacedirectlywithdatalinesofbus-organizedsystems.Withallbutoneofthecommonoutputsdisabled(atahighimpedancestate),thelowimpedanceofthesingleenabledoutputwilld

FairchildFairchild Semiconductor

仙童半导体飞兆/仙童半导体公司

DM74LS257B

3-STATEQuad2-DataSelectors/Multiplexers

GeneralDescription TheseSchottky-clampedhigh-performancemultiplexersfeature3-STATEoutputsthatcaninterfacedirectlywithdatalinesofbus-organizedsystems.Withallbutoneofthecommonoutputsdisabled(atahighimpedancestate),thelowimpedanceofthesingleenabledoutputwilld

FairchildFairchild Semiconductor

仙童半导体飞兆/仙童半导体公司

DM74LS257B

TRI-STATE(RM)Quad2-DataSelectors/Multiplexers

TI1Texas Instruments

德州仪器美国德州仪器公司

DM74LS257BM

3-STATEQuad2-DataSelectors/Multiplexers

GeneralDescription TheseSchottky-clampedhigh-performancemultiplexersfeature3-STATEoutputsthatcaninterfacedirectlywithdatalinesofbus-organizedsystems.Withallbutoneofthecommonoutputsdisabled(atahighimpedancestate),thelowimpedanceofthesingleenabledoutputwilld

FairchildFairchild Semiconductor

仙童半导体飞兆/仙童半导体公司

DM74LS257BM

TRI-STATEQuad2-DataSelectors/Multiplexers

NSCNational Semiconductor (TI)

美国国家半导体美国国家半导体公司

DM74LS257BN

TRI-STATEQuad2-DataSelectors/Multiplexers

NSCNational Semiconductor (TI)

美国国家半导体美国国家半导体公司

DM74LS257BN

3-STATEQuad2-DataSelectors/Multiplexers

GeneralDescription TheseSchottky-clampedhigh-performancemultiplexersfeature3-STATEoutputsthatcaninterfacedirectlywithdatalinesofbus-organizedsystems.Withallbutoneofthecommonoutputsdisabled(atahighimpedancestate),thelowimpedanceofthesingleenabledoutputwilld

FairchildFairchild Semiconductor

仙童半导体飞兆/仙童半导体公司

HD74LS257

Quadruple2-line-to-1-lineDataSelectors/Multiplexers(withnotinverted3-stateoutputs)

Thismultiplexerfeaturesthree-stateoutputsthatcaninterfacedirectlywithanddrivedatalinesofbus-organizedsystems.Withallbutoneofthecommonoutputsdisabled(atahigh-impedancestate)thelowimpedanceofthesingleenabledoutputwilldrivethebuslinetoahighorlowlogicle

RENESASRenesas Technology Corp

瑞萨瑞萨科技有限公司

HD74LS257

Ouadruple2-inputPositiveNANDGates

HitachiHitachi Semiconductor

日立日立公司

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