型号 / 厂家，封装，批号，备注，订购

T74LS19M1 / Various,Datasheet,07+,Inverting-Function S 订购 PDF文档

T74LS20C1 / ST Microelectronics,Datasheet,07+,4-Input NAND-Functio 订购 PDF文档

T74LS20DI / ,,最新批号,原装现货 订购 PDF文档

T74LS20DS / ,,最新批号,原装现货 订购 PDF文档

T74LS243M1 / ST Microelectronics,Datasheet,06/07+,Quad Bus-Line Transc 订购 PDF文档

T74LS244C1 / Various,Datasheet,06/07+,Non-Inverting-Functi 订购 PDF文档

T74LS20F / Transitron Electronic Corporation,Datasheet,06/07+,4-Input NAND-Functio 订购 PDF文档

T74LS21D1 / Various,Datasheet,06/07+,4-Input AND-Function 订购 PDF文档

T74LS221C1 / ST Microelectronics,Datasheet,07+,Dual Monostable Mult 订购 PDF文档

T74LS221D1 / ST Microelectronics,Datasheet,06/07+,Dual Monostable Mult 订购 PDF文档