型号 / 厂家，封装，批号，备注，订购

54AC190FM / Various,Datasheet,07+,BCD-Output Decade Up 订购 PDF文档

54AC191D / National Semiconductor,Datasheet,07+,Up/Down with 订购 PDF文档

54AC191DM / Various,Datasheet,07+,4-Bit Binary Up-Down 订购 PDF文档

54AC191DMQB(SMD) / National Semiconductor,Datasheet,07+,4-Bit Binary Up-Down 订购 PDF文档

54AC191FMQB / National Semiconductor,Datasheet,07+,IC SINGLE 4B 订购 PDF文档

54AC191FMQB(SMD) / National Semiconductor,Datasheet,07+,4-Bit Binary Up-Down 订购 PDF文档

54AC191L / National Semiconductor,Datasheet,07+,Up/Down with 订购 PDF文档

54AC191LM / Various,Datasheet,07+,4-Bit Binary Up-Down 订购 PDF文档

54AC192FM / Various,Datasheet,07+,BCD-Output Decade Up 订购 PDF文档

54AC193DM / Various,Datasheet,07+,4-Bit Binary Up-Down 订购 PDF文档