IC快速檢索：
型號 / 廠家，封裝，批號，備注，訂購
M74HC253B / ST,,08/09+,原裝特價 訂購 PDF文檔
M74HC253B1R / FAIRCHILD,,08/09+,全新原裝深圳庫存 訂購 PDF文檔
M74HC253BI / DU-LOGIC,SOIC,08/09+,全新原裝深圳庫存 訂購 PDF文檔
M74HC253M13TR / ,,08/09+,原裝貨歡迎來電 訂購 PDF文檔
M74HC253RM13TR / ST,,08/09+,010-62106431 訂購 PDF文檔
M74HC257B1 / SGS,,08/09+,010-62106431 訂購 PDF文檔
M74HC257B1R / ST,DIP,08/09+,全新原裝深圳庫存 訂購 PDF文檔
M74HC257F1 / SGS,,08/09+,010-62106431 訂購 PDF文檔