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型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)
DM74S206W / National Semiconductor,Datasheet,07+,General-Purpose Stat 訂購(gòu) PDF文檔
DM74S20 / Fairchild Semiconductor,Datasheet,06/07+,Dual 4-Input NAND Ga 訂購(gòu) PDF文檔
DM74S20N? / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔
DM74S228N / NS,,08+,全新原裝，特價(jià)熱賣(mài) 訂購(gòu) PDF文檔
DM74S200W / National Semiconductor,Datasheet,07+,General-Purpose Stat 訂購(gòu) PDF文檔
DM74S22N? / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔
DM74S240M / National Semiconductor,Datasheet,07+,Inverting-Function B 訂購(gòu) PDF文檔
DM74S240WM / National Semiconductor,Datasheet,06/07+,Inverting-Function B 訂購(gòu) PDF文檔