型號 / 廠家，封裝，批號，備注，訂購

DM74AS157M / NATIONAL SEMICONDUCTOR,,08/09+,全新原裝深圳庫存 訂購 PDF文檔

DM74AS157MX / FAIRCHILD,,08/09+,010-62106431 訂購 PDF文檔

DM74AS157N_Q / ,,最新批號,原裝現(xiàn)貨 訂購 PDF文檔

DM74AS157SJ / NATIONAL SEMICONDUCTOR,,08/09+,全新原裝深圳庫存 訂購 PDF文檔

DM74AS157SJX / FSC,,08/09+,010-62106431 訂購 PDF文檔

DM74AS158M_Q / ,,最新批號,原裝現(xiàn)貨 訂購 PDF文檔

DM74AS158N / NATIONAL SEMICONDUCTOR,,08/09+,全新原裝深圳庫存 訂購 PDF文檔

DM74AS158N_Q / ,,最新批號,原裝現(xiàn)貨 訂購 PDF文檔

DM74AS161M / FAIRCHILD,,08/09+,010-62106431 訂購 PDF文檔

DM74AS163M / NATIONAL SEMICONDUCTOR,,08/09+,全新原裝深圳庫存 訂購 PDF文檔