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型號 / 廠家，封裝，批號，備注，訂購
M74HC21BI / ,,08/09+,原裝貨歡迎來電 訂購 PDF文檔
M74HC21M1R / ST,DIP,08/09+,全新原裝深圳庫存 訂購 PDF文檔
M74HC21RM13TR / FAIRCHILD,,08/09+,全新原裝深圳庫存 訂購 PDF文檔
M74HC221 / ST,,08/09+,全新原裝 訂購 PDF文檔
M74HC221B1 / ,,08/09+,庫存原裝特價 訂購 PDF文檔
M74HC221M1R / ST,,08/09+,原裝特價 訂購 PDF文檔
M74HC221RM13 / ,,最新批號,原裝現(xiàn)貨 訂購 PDF文檔
M74HC221RMBTR / ST,,08/09+,庫房現(xiàn)貨歡迎來電 訂購 PDF文檔