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型號 / 廠家，封裝，批號，備注，訂購
74HC21NB / Philips Semiconductors,Datasheet,07+,Dual 4-input AND gat 訂購 PDF文檔
74HC221AM-R / ,,最新批號,原裝現(xiàn)貨 訂購 PDF文檔
74HC221D/T3 / ,,最新批號,原裝現(xiàn)貨 訂購 PDF文檔
74HC221D652 / NXP,,07+,全新原裝現(xiàn)貨 訂購 PDF文檔
74HC221D653 / NXP,,07+,全新原裝現(xiàn)貨 訂購 PDF文檔
74HC221DB112 / NXP,,07+,全新原裝現(xiàn)貨 訂購 PDF文檔
74HC221DB118 / NXP,,07+,全新原裝現(xiàn)貨 訂購 PDF文檔
74HC221-R / ,,最新批號,原裝現(xiàn)貨 訂購 PDF文檔
74HC221U / Philips Semiconductors,Datasheet,07+,Dual non-retriggerab 訂購 PDF文檔