型號 / 廠家，封裝，批號，備注，訂購

54LS257A3 / NS,DIP,9309+,庫房現(xiàn)貨歡迎來電 訂購 PDF文檔

54LS257AF / ,,,原裝現(xiàn)貨 訂購 PDF文檔

54LS257AJB / ti,pack:1/bulk,dc89+,全新原裝現(xiàn)貨 訂購 PDF文檔

54LS253 / MOT,CDIP16,08/09+,特價 訂購 PDF文檔

54LS257BJ / ,,08/09+,原裝特價 訂購 PDF文檔

54LS253BEAJC / Motorola,陶瓷-16,08/09+,原裝現(xiàn)貨 訂購 PDF文檔

54LS257J / Raytheon Electronics,Datasheet,07+,2-Line Digital Multi 訂購 PDF文檔

54LS253D / SGS,,08/09+,原裝正品 訂購 PDF文檔

54LS253D/J / ,,最新批號,原裝現(xiàn)貨 訂購 PDF文檔

54LS258 / ,,08/09+,原裝特價 訂購 PDF文檔