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型號 / 廠家，封裝，批號，備注，訂購
74HC253DB112 / NXP,,07+,全新原裝現貨 訂購 PDF文檔
74HC253DB118 / NXP,,07+,全新原裝現貨 訂購 PDF文檔
74HC253N? / ,,最新批號,原裝現貨 訂購 PDF文檔
74HC253U / Philips Semiconductors,Datasheet,07+,Dual 4-input multipl 訂購 PDF文檔
74HC257D/N118 / NXP,,07+,全新原裝現貨 訂購 PDF文檔
74HC257D/S410118 / NXP,,07+,全新原裝現貨 訂購 PDF文檔
74HC257D/T3 / ,,最新批號,原裝現貨 訂購 PDF文檔
74HC257DB112 / NXP,,07+,全新原裝現貨 訂購 PDF文檔