型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)

DM74S244CW / Fairchild Semiconductor,Datasheet,07+,Octal 3-STATE Buffer 訂購(gòu) PDF文檔

DM74S244J? / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔

DM74S241N? / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔

DM74S251N? / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔

DM74S257 / Fairchild Semiconductor,Datasheet,06/07+,3-STATE Quad 1-of-2 訂購(gòu) PDF文檔

DM74S257CW / Fairchild Semiconductor,Datasheet,07+,Quad 3-STATE 2-to-1 訂購(gòu) PDF文檔

DM-74S257N. / ,,,原裝現(xiàn)貨 訂購(gòu) PDF文檔

DM74S270J / National Semiconductor,Datasheet,07+,General Purpose 訂購(gòu) PDF文檔

DM74S271J / National Semiconductor,Datasheet,07+,General Purpose 訂購(gòu) PDF文檔

DM74S271N / National Semiconductor,Datasheet,07+,General Purpose 訂購(gòu) PDF文檔