型號 / 廠家，封裝，批號，備注，訂購

54LS190W / Raytheon Electronics,Datasheet,07+,BCD-Output Decade Up 訂購 PDF文檔

54LS191/B2A / Philips Semiconductors,Datasheet,07+,4-Bit Binary Up-Down 訂購 PDF文檔

54LS191FM / Various,Datasheet,07+,4-Bit Binary Up-Down 訂購 PDF文檔

54LS192/BEA / REI,原廠原裝,08+07+,7到10天國際現(xiàn)貨 訂購 PDF文檔

54LS192FMQB / National Semiconductor,Datasheet,07+,54LS192/DM74LS192 Up 訂購 PDF文檔

54LS192LMQB / National Semiconductor,Datasheet,07+,54LS192/DM74LS192 Up 訂購 PDF文檔

54LS192W / Raytheon Electronics,Datasheet,07+,BCD-Output Decade Up 訂購 PDF文檔

54LS193FMQB / Various,Datasheet,07+,4-Bit Binary Up-Down 訂購 PDF文檔

54LS194AFM / Various,Datasheet,07+,4-Bit Shift Register 訂購 PDF文檔

54LS195A / National Semiconductor,Datasheet,07+,4-Bit Parallel Acces 訂購 PDF文檔