型号 / 厂家，封装，批号，备注，订购

DM54190W / National Semiconductor,Datasheet,06/07+,BCD-Output Decade Up 订购 PDF文档

DM54190W/883 / ,,最新批号,原装现货 订购 PDF文档

DM54192J / ,,08/09+,全新原装库房现货 订购 PDF文档

DM54192J/883 / ,,08/09+,原装全新库房现货 订购 PDF文档

DM54192W / National Semiconductor,Datasheet,06/07+,BCD-Output Decade Up 订购 PDF文档

DM54192W/883 / ,,最新批号,原装现货 订购 PDF文档

DM54193J/883 / ,,08/09+,库房原装现货 订购 PDF文档

DM54193J883C / NSC,,08/09+,正品!010-62104891 订购 PDF文档

DM54193N/A / DALLAS,SOP,05+,~~房间全新现货库存 订购 PDF文档

DM54193W / National Semiconductor,Datasheet,06/07+,Synchronous Up/Down 订购 PDF文档