型號 / 廠家，封裝，批號，備注，訂購

DM74LS249 / National Semiconductor,Datasheet,07+,BCD to 7-Segment Dec 訂購 PDF文檔

DM74LS249M / National Semiconductor,Datasheet,07+,7-Segment Display Dr 訂購 PDF文檔

DM74LS299M / National Semiconductor,Datasheet,06/07+,8-Bit Shift Register 訂購 PDF文檔

DM74LS322 / National Semiconductor,Datasheet,07+,8-Bit Serial/Paralle 訂購 PDF文檔

DM74LS322M / National Semiconductor,Datasheet,06/07+,8-Bit Shift Register 訂購 PDF文檔

DM74LS322N / National Semiconductor,Datasheet,07+,8-Bit Shift Register 訂購 PDF文檔

DM74LS32N? / ,,最新批號,原裝現(xiàn)貨 訂購 PDF文檔

DM74LS347 / National Semiconductor,Datasheet,06/07+,BCD TO 7-SEGMENT DEC 訂購 PDF文檔

DM74LS352J / National Semiconductor,Datasheet,07+,4-Line Digital Multi 訂購 PDF文檔

DM74LS352W / National Semiconductor,Datasheet,07+,4-Line Digital Multi 訂購 PDF文檔