型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)

DM74LS258B / National Semiconductor,Datasheet,07+,TRI-STATE Quad 2-Dat 訂購(gòu) PDF文檔

DM74LS20N? / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔

DM74LS240CW / Fairchild Semiconductor,Datasheet,07+,Octal 3-STATE Buffer 訂購(gòu) PDF文檔

DM74LS265A / National Semiconductor,Datasheet,07+,Hex TRI-STATE Buffer 訂購(gòu) PDF文檔

DM74LS273M / National Semiconductor,Datasheet,07+,8-Bit Register with 訂購(gòu) PDF文檔

DM74LS273N? / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔

DM-74LS27N / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔

DM74LS27NM / ,,最新批號(hào),現(xiàn)貨庫(kù)存 訂購(gòu) PDF文檔

DM74LS240N? / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔

DM74LS244CW / Fairchild Semiconductor,Datasheet,07+,Octal 3-STATE Buffer 訂購(gòu) PDF文檔