型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)

DM74ALS251SJX / NATIONAL SEMICONDUCTOR,,08/09+,全新原裝深圳庫存 訂購(gòu) PDF文檔

DM74ALS251WM / ,,08/09+,庫房原裝現(xiàn)貨 訂購(gòu) PDF文檔

DM74ALS253 / ,,08/09+,010-62106431 訂購(gòu) PDF文檔

DM74ALS253M / NATIONAL SEMICONDUCTOR,,08/09+,全新原裝深圳庫存 訂購(gòu) PDF文檔

DM74ALS253M_Q / ,,最新批號(hào),現(xiàn)貨庫存 訂購(gòu) PDF文檔

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DM74ALS257AM / ,,08/09+,全新原裝貨 訂購(gòu) PDF文檔

DM74ALS257M_Q / ,,最新批號(hào),原裝現(xiàn)貨 訂購(gòu) PDF文檔

DM74ALS257MX / NATIONAL SEMICONDUCTOR,,08/09+,全新原裝深圳庫存 訂購(gòu) PDF文檔

DM74ALS257N / NATIONAL SEMICONDUCTOR,,08/09+,全新原裝深圳庫存 訂購(gòu) PDF文檔