型號 / 廠家，封裝，批號，備注，訂購

54F189LL / National Semiconductor,Datasheet,07+,64-Bit Random Access 訂購 PDF文檔

54F189LLQB / National Semiconductor,Datasheet,07+, 訂購 PDF文檔

54F190/B2A / Philips Semiconductors,Datasheet,07+,BCD-Output Decade Up 訂購 PDF文檔

54F190/BEA / Philips Semiconductors,Datasheet,07+,BCD-Output Decade Up 訂購 PDF文檔

54F190/BFA / Philips Semiconductors,Datasheet,07+,BCD-Output Decade Up 訂購 PDF文檔

54F190FMQB / Various,Datasheet,07+,BCD-Output Decade Up 訂購 PDF文檔

54F190LM / National Semiconductor,Datasheet,07+,Up/Down Decade 訂購 PDF文檔

54F191FM / National Semiconductor,Datasheet,07+,Up/Down Binary 訂購 PDF文檔

54F191FMQB / National Semiconductor,Datasheet,07+,Up/Down Binary 訂購 PDF文檔

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