型号 / 厂家，封装，批号，备注，订购

DM74AS639J / National Semiconductor,Datasheet,06/07+,Octal Bus-Line Trans 订购 PDF文档

DM74AS639N / National Semiconductor,Datasheet,06/07+,Octal Bus-Line Trans 订购 PDF文档

DM74AS640J / National Semiconductor,Datasheet,07+,Octal Bus-Line Trans 订购 PDF文档

DM74AS641J / National Semiconductor,Datasheet,06/07+,Octal Bus-Line Trans 订购 PDF文档

DM74AS642N / National Semiconductor,Datasheet,07+,Octal Bus-Line Trans 订购 PDF文档

DM74AS245N? / ,,最新批号,原装现货 订购 PDF文档

DM74AS258M_NL / FSC,,07+,全新原装热卖 订购 PDF文档

DM74AS2645 / National Semiconductor,Datasheet,07+,Octal TRI-STATE Bus 订购 PDF文档

DM74AS2645J / National Semiconductor,Datasheet,07+,Octal Bus-Line Trans 订购 PDF文档

DM74AS264J / National Semiconductor,Datasheet,06/07+,Look-Ahead Carry Gen 订购 PDF文档