型號 / 廠家，封裝，批號，備注，訂購

54F190FM / National Semiconductor,Datasheet,07+,Up/Down Decade 訂購 PDF文檔

54F190L1M / Various,Datasheet,07+,BCD-Output Decade Up 訂購 PDF文檔

54F190LMQB / Various,Datasheet,07+,BCD-Output Decade Up 訂購 PDF文檔

54F191/B2A / Philips Semiconductors,Datasheet,07+,4-Bit Binary Up-Down 訂購 PDF文檔

54F191/BFA / Philips Semiconductors,Datasheet,07+,4-Bit Binary Up-Down 訂購 PDF文檔

54F191DMQB(SMD) / National Semiconductor,Datasheet,07+,4-Bit Binary Up-Down 訂購 PDF文檔

54F191L1M / Various,Datasheet,07+,4-Bit Binary Up-Down 訂購 PDF文檔

54F191LM / National Semiconductor,Datasheet,07+,Up/Down Binary 訂購 PDF文檔

54F192 / National Semiconductor,Datasheet,07+,Up-Down Decade 訂購 PDF文檔

54F192FMQB / Various,Datasheet,07+,BCD-Output Decade Up 訂購 PDF文檔