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型號 / 廠家，封裝，批號，備注，訂購
DM74LS21PC / ,,08/09+,原裝全新庫房現(xiàn)貨 訂購 PDF文檔
DM74LS21N+SN74LS21N / ,,08/09+,全新原裝貨 訂購 PDF文檔
DM74LS220N / ,,08/09+,原裝庫房現(xiàn)貨 訂購 PDF文檔
DM74LS221N/A+ / ,,08/09+,全新原裝現(xiàn)貨 訂購 PDF文檔
DM74LS221NNS / ,,08/09+,原裝現(xiàn)貨庫存 訂購 PDF文檔
DM74LS221NRETRIG1-SHT / ,,08/09+,全新原裝貨 訂購 PDF文檔
DM74LS221WAF / ,,08/09+,原裝全新庫房現(xiàn)貨 訂購 PDF文檔
DM74LS224N / ,,08/09+,原裝現(xiàn)貨庫存 訂購 PDF文檔