型号 / 厂家，封装，批号，备注，订购

DM74LS155 / Fairchild Semiconductor,Datasheet,07+,Dual 2-Line to 4-Lin 订购 PDF文档

DM74LS126AJ / National Semiconductor,Datasheet,06/07+,Non-Inverting-Functi 订购 PDF文档

DM74LS157E / National Semiconductor,Datasheet,06/07+,Quad 2-Line to 1-Lin 订购 PDF文档

DM74LS158W / National Semiconductor,Datasheet,07+,Quad 2-Line to 1-Lin 订购 PDF文档

DM74LS15N? / ,,最新批号,原装现货 订购 PDF文档

DM74LS161ACW / Fairchild Semiconductor,Datasheet,07+,Synchronous 4-Bit Bi 订购 PDF文档

DM74LS126AW / National Semiconductor,Datasheet,07+,Non-Inverting-Functi 订购 PDF文档

DM74LS161AN? / ,,最新批号,原装现货 订购 PDF文档

DM74LS132W / National Semiconductor,Datasheet,07+,NAND-Function Schmit 订购 PDF文档

DM74LS138E / National Semiconductor,Datasheet,07+,Decoders/Demultiplex 订购 PDF文档