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型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)
SN74LS221N3 / ,,08/09+,原裝全新現(xiàn)貨 訂購(gòu) PDF文檔
SN74LS221N9316PIN / ,,08/09+,原裝全新現(xiàn)貨 訂購(gòu) PDF文檔
SN74LS221NMOT / ,,08/09+,原裝全新現(xiàn)貨 訂購(gòu) PDF文檔
SN74LS221NMOTOROLA / ,,08/09+,原裝全新現(xiàn)貨 訂購(gòu) PDF文檔
SN74LS221NSJSMD / ,,08/09+,原裝全新現(xiàn)貨 訂購(gòu) PDF文檔
SN74LS221NSLE / ,,08/09+,原裝全新現(xiàn)貨 訂購(gòu) PDF文檔
SN74LS221NSR-EL / ,,08/09+,原裝全新現(xiàn)貨 訂購(gòu) PDF文檔
SN74LS221NSUSMD0 / ,,08/09+,原裝全新現(xiàn)貨 訂購(gòu) PDF文檔