型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)

54AC191D / National Semiconductor,Datasheet,07+,Up/Down with 訂購(gòu) PDF文檔

54AC191DM / Various,Datasheet,07+,4-Bit Binary Up-Down 訂購(gòu) PDF文檔

54AC191DMQB(SMD) / National Semiconductor,Datasheet,07+,4-Bit Binary Up-Down 訂購(gòu) PDF文檔

54AC191FMQB / National Semiconductor,Datasheet,07+,IC SINGLE 4B 訂購(gòu) PDF文檔

54AC191FMQB(SMD) / National Semiconductor,Datasheet,07+,4-Bit Binary Up-Down 訂購(gòu) PDF文檔

54AC191L / National Semiconductor,Datasheet,07+,Up/Down with 訂購(gòu) PDF文檔

54AC191LM / Various,Datasheet,07+,4-Bit Binary Up-Down 訂購(gòu) PDF文檔

54AC192FM / Various,Datasheet,07+,BCD-Output Decade Up 訂購(gòu) PDF文檔

54AC193DM / Various,Datasheet,07+,4-Bit Binary Up-Down 訂購(gòu) PDF文檔

54AC20DM / Various,Datasheet,07+,4-Input NAND-Functio 訂購(gòu) PDF文檔