型号 / 厂家，封装，批号，备注，订购

DM54LS469J / National Semiconductor,Datasheet,06/07+,DM54LS469/DM74LS469 订购 PDF文档

DM54LS76AJ? / ,,最新批号,原装现货 订购 PDF文档

DM54LS77W / National Semiconductor,Datasheet,07+,Quadruple D-Type Lat 订购 PDF文档

DM54LS469J/883 / National Semiconductor,Datasheet,06/07+,8-Bit Binary Up-Down 订购 PDF文档

DM54LS47W / National Semiconductor,Datasheet,06/07+,BCD to 7-Segment Dec 订购 PDF文档

DM54LS490N / National Semiconductor,Datasheet,07+,Dual Decade 订购 PDF文档

DM54LS491A / National Semiconductor,Datasheet,07+,10-Bit 订购 PDF文档

DM54LS491AJ/883 / National Semiconductor,Datasheet,06/07+,Binary Up-Down 订购 PDF文档

DM54LS491J/883 / National Semiconductor,Datasheet,07+,Binary Up-Down 订购 PDF文档

DM54LS498 / National Semiconductor,Datasheet,06/07+,Octal Shift Register 订购 PDF文档