型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)

DM54LS243 / National Semiconductor,Datasheet,07+,Quadruple Bus Transc 訂購(gòu) PDF文檔

DM54LS251 / National Semiconductor,Datasheet,07+,TRI-STATE Data Selec 訂購(gòu) PDF文檔

DM54LS253J/883C? / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔

DM54LS251W/883 / National Semiconductor,Datasheet,07+,8-Line Digital Multi 訂購(gòu) PDF文檔

DM54LS257B / National Semiconductor,Datasheet,07+,TRI-STATE Quad 2-Dat 訂購(gòu) PDF文檔

DM54LS258B / National Semiconductor,Datasheet,07+,TRI-STATE Quad 2-Dat 訂購(gòu) PDF文檔

DM54LS256DM / NSC,原廠原裝,08+07+,7到10天國(guó)際現(xiàn)貨 訂購(gòu) PDF文檔

DM54LS258AW/883 / National Semiconductor,Datasheet,07+,2-Line Digital Multi 訂購(gòu) PDF文檔

DM54LS258BJ / National Semiconductor,Datasheet,07+,TRI-STATE Quad 2-Dat 訂購(gòu) PDF文檔

DM54LS258BW / National Semiconductor,Datasheet,07+,TRI-STATE Quad 2-Dat 訂購(gòu) PDF文檔