型号 / 厂家，封装，批号，备注，订购

DM74185A / National Semiconductor,Datasheet,07+,BCD-to-Binary and Bi 订购 PDF文档

DM74190J / National Semiconductor,Datasheet,06/07+,BCD-Output Decade Up 订购 PDF文档

DM74191 / National Semiconductor,Datasheet,07+,Synchronous Up-Down 订购 PDF文档

DM74194W / National Semiconductor,Datasheet,07+,4-Bit Shift Register 订购 PDF文档

DM74176W / National Semiconductor,Datasheet,06/07+,BCD-Output Decade Up 订购 PDF文档

DM74199F / National Semiconductor,Datasheet,07+,8-Bit Shift Register 订购 PDF文档

DM74180N? / ,,最新批号,原装现货 订购 PDF文档

DM74184AJ / National Semiconductor,Datasheet,07+,BCD-to-Binary Code C 订购 PDF文档

DM74184W / National Semiconductor,Datasheet,06/07+,BCD-to-Binary Code C 订购 PDF文档

DM74187J / National Semiconductor,Datasheet,07+,General Purpose 订购 PDF文档