型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)

DM74LS173A / National Semiconductor,Datasheet,07+,4-Bit TRI-STATE D Re 訂購(gòu) PDF文檔

DM74LS174AM / National Semiconductor,Datasheet,07+,Hex D-Type Flip-Flop 訂購(gòu) PDF文檔

DM-74LS174M / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔

DM74LS175CW / Fairchild Semiconductor,Datasheet,06/07+,Quad D Flip-Flop wit 訂購(gòu) PDF文檔

DM74LS190 / National Semiconductor,Datasheet,07+,Synchronous BCD Up/D 訂購(gòu) PDF文檔

DM74LS192 / National Semiconductor,Datasheet,07+,54LS192/DM74LS192 Up 訂購(gòu) PDF文檔

DM74LS193CW / Fairchild Semiconductor,Datasheet,06/07+,Synchronous 4-Bit Up 訂購(gòu) PDF文檔

DM74LS245CW / Fairchild Semiconductor,Datasheet,07+,Octal 3-STATE Bus Tr 訂購(gòu) PDF文檔

DM74LS194AJ / National Semiconductor,Datasheet,06/07+,4-Bit Shift Register 訂購(gòu) PDF文檔

DM74LS194AW / National Semiconductor,Datasheet,07+,4-Bit Shift Register 訂購(gòu) PDF文檔