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型號 / 廠家，封裝，批號，備注，訂購
SN74LS20NTI / ,,08/09+,原裝全新現貨 訂購 PDF文檔
SN74LS20N-TI88 / ,,08/09+,原裝全新現貨 訂購 PDF文檔
SN74LS20N-TIT / ,,08/09+,原裝全新現貨 訂購 PDF文檔
SN74LS21MEL / ,,08/09+,原裝全新現貨 訂購 PDF文檔
SN74LS21N/NEW / ,,08/09+,原裝全新現貨 訂購 PDF文檔
SN74LS21N10 / ,,08/09+,原裝全新現貨 訂購 PDF文檔
SN74LS21N24-INAND / ,,08/09+,原裝全新現貨 訂購 PDF文檔
SN74LS21N79 / ,,08/09+,原裝全新現貨 訂購 PDF文檔