型號(hào) / 廠(chǎng)家，封裝，批號(hào)，備注，訂購(gòu)

DM74LS290M / National Semiconductor,Datasheet,07+,4-Bit DECADE 訂購(gòu) PDF文檔

DM74LS295A / National Semiconductor,Datasheet,07+,4-Bit Shift Register 訂購(gòu) PDF文檔

DM74LS295AJ / National Semiconductor,Datasheet,07+,4-Bit Shift Register 訂購(gòu) PDF文檔

DM74LS295AM / National Semiconductor,Datasheet,07+,4-Bit Shift Register 訂購(gòu) PDF文檔

DM74LS244N? / ,,最新批號(hào),最新供應(yīng) 訂購(gòu) PDF文檔

DM74LS245WM? / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔

DM74LS247 / Fairchild Semiconductor,Datasheet,06/07+,BCD to 7-Segment Dec 訂購(gòu) PDF文檔

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