型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)

74LS191J / Raytheon Electronics,Datasheet,07+,4-Bit Binary Up-Down 訂購(gòu) PDF文檔

74LS192J / Raytheon Electronics,Datasheet,07+,BCD-Output Decade Up 訂購(gòu) PDF文檔

74LS192W / Raytheon Electronics,Datasheet,07+,BCD-Output Decade Up 訂購(gòu) PDF文檔

74LS191W / Raytheon Electronics,Datasheet,07+,4-Bit Binary Up-Down 訂購(gòu) PDF文檔

74LS193B1 / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔

74LS192FC / Various,Datasheet,07+,BCD-Output Decade Up 訂購(gòu) PDF文檔

74LS193FC / Various,Datasheet,07+,4-Bit Binary Up-Down 訂購(gòu) PDF文檔

74LS193J / Raytheon Electronics,Datasheet,07+,4-Bit Binary Up-Down 訂購(gòu) PDF文檔

74LS193PCQR / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔

74LS193SC / NSC,原廠原裝,08+07+,7到10天國(guó)際現(xiàn)貨 訂購(gòu) PDF文檔