型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)

DM74LS247M / National Semiconductor,Datasheet,06/07+,V(cc): 4.75 to 5.25V 訂購(gòu) PDF文檔

DM74LS248M / National Semiconductor,Datasheet,06/07+,7-Segment Display Dr 訂購(gòu) PDF文檔

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

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

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

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

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

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

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

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