型号 / 厂家，封装，批号，备注，订购

54AC190DM / Various,Datasheet,07+,BCD-Output Decade Up 订购 PDF文档

54AC190LM / Various,Datasheet,07+,BCD-Output Decade Up 订购 PDF文档

54AC191 / National Semiconductor,Datasheet,07+,Up/Down with 订购 PDF文档

54AC191F / National Semiconductor,Datasheet,07+,Up/Down with 订购 PDF文档

54AC191FM / Various,Datasheet,07+,4-Bit Binary Up-Down 订购 PDF文档

54AC191LMQB / National Semiconductor,Datasheet,07+,IC SINGLE 4B 订购 PDF文档

54AC191LMQB(SMD) / National Semiconductor,Datasheet,07+,4-Bit Binary Up-Down 订购 PDF文档

54AC191PMQB / National Semiconductor,Datasheet,07+,Up/Down with 订购 PDF文档

54AC191SMQB / National Semiconductor,Datasheet,07+,Up/Down with 订购 PDF文档

54AC192DM / Various,Datasheet,07+,BCD-Output Decade Up 订购 PDF文档