型號(hào) / 廠家，封裝，批號(hào)，備注，訂購

DM74AS242 / National Semiconductor,Datasheet,06/07+,(DM74AS240 - DM74AS2 訂購 PDF文檔

DM74AS242M / National Semiconductor,Datasheet,07+,Quad Bus-Line Transc 訂購 PDF文檔

DM74AS243 / National Semiconductor,Datasheet,07+,(DM74AS240 - DM74AS2 訂購 PDF文檔

DM74AS243M / National Semiconductor,Datasheet,07+,Quad Bus-Line Transc 訂購 PDF文檔

DM74AS244M / National Semiconductor,Datasheet,07+,Non-Inverting-Functi 訂購 PDF文檔

DM74AS244N? / ,,最新批號(hào),原裝現(xiàn)貨 訂購 PDF文檔

DM74AS251J / National Semiconductor,Datasheet,07+,8-Line Digital Multi 訂購 PDF文檔

DM74AS251N / National Semiconductor,Datasheet,06/07+,8-Line Digital Multi 訂購 PDF文檔

DM74AS253J / National Semiconductor,Datasheet,06/07+,4-Line Digital Multi 訂購 PDF文檔

DM74AS253N / National Semiconductor,Datasheet,07+,4-Line Digital Multi 訂購 PDF文檔