型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)

DM74H21 / ,,08/09+,全新原裝庫(kù)房現(xiàn)貨 訂購(gòu) PDF文檔

DM74H21J / ,,08/09+,原裝現(xiàn)貨庫(kù)存 訂購(gòu) PDF文檔

DM74H22J / National Semiconductor,Datasheet,07+,4-Input NAND-Functio 訂購(gòu) PDF文檔

DM74H22N / ,,08/09+,全新原裝現(xiàn)貨 訂購(gòu) PDF文檔

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DM74H50W / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔

DM74H53J / National Semiconductor,Datasheet,07+,2-2-2-3-Input AND-OR 訂購(gòu) PDF文檔

DM74H53W / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔

DM74H61J / National Semiconductor,Datasheet,07+,3-Input AND-Function 訂購(gòu) PDF文檔