型號 / 廠家，封裝，批號，備注，訂購

74AC257FMQB / National Semiconductor,Datasheet,07+,Quad 2-Input Multipl 訂購 PDF文檔

74AC257LC / Various,Datasheet,07+,2-Line Digital Multi 訂購 PDF文檔

74AC257M-R / ,,最新批號,原裝現(xiàn)貨 訂購 PDF文檔

74AC257PC_F091 / FSC,,07+,全新原裝熱賣 訂購 PDF文檔

74AC257PCQR / Various,Datasheet,07+,2-Line Digital Multi 訂購 PDF文檔

74AC257PCX / Fairchild Semiconductor,Datasheet,07+,IC MULTIPLEXER QUAD 訂購 PDF文檔

74AC257SC. / ,,最新批號,原裝現(xiàn)貨 訂購 PDF文檔

74AC257SC_NL / FSC,,07+,全新原裝熱賣 訂購 PDF文檔

74AC257SCX_NL / Fairchild Semiconductor,Datasheet,07+,Quad 2-Input Multipl 訂購 PDF文檔

74AC253PCX / Fairchild Semiconductor,Datasheet,07+,IC MULTIPLEXER DUAL 訂購 PDF文檔