型号 / 厂家，封装，批号，备注，订购

54F191FM / National Semiconductor,Datasheet,07+,Up/Down Binary 订购 PDF文档

54F191FMQB / National Semiconductor,Datasheet,07+,Up/Down Binary 订购 PDF文档

54F191FMQB(SMD) / National Semiconductor,Datasheet,07+,4-Bit Binary Up-Down 订购 PDF文档

54F191LMQB(SMD) / National Semiconductor,Datasheet,07+,4-Bit Binary Up-Down 订购 PDF文档

54F192FM / National Semiconductor,Datasheet,07+,Up/Down Decade 订购 PDF文档

54F192L1M / Various,Datasheet,07+,BCD-Output Decade Up 订购 PDF文档

54F192LMQB / Various,Datasheet,07+,BCD-Output Decade Up 订购 PDF文档

54F193FM / National Semiconductor,Datasheet,07+,Up/Down Binary 订购 PDF文档

54F194/BFA / Various,Datasheet,07+,4-Bit Shift Register 订购 PDF文档

54F194BFA(SMD) / Philips Semiconductors,Datasheet,07+,4-Bit Shift Register 订购 PDF文档