IC快速檢索：
型號 / 廠家，封裝，批號，備注，訂購
SN74LS48D / TI,DIP/SOP,08/09+,原裝010-62106431 訂購 PDF文檔
SN74LS48N / ,,08/09+,全新原裝深圳庫存 訂購 PDF文檔
SN74LS49 / TI,,08/09+,010-62106431 訂購 PDF文檔
SN74LS490D / ,,08/09+,全新原裝現(xiàn)貨庫存 訂購 PDF文檔
SN74LS490N / ,,08/09+,全新原裝深圳庫存 訂購 PDF文檔
SN74LS491NS / ,,08/09+,全新原裝現(xiàn)貨庫存 訂購 PDF文檔
SN74LS491S / MMI,,08/09+,010-62106431 訂購 PDF文檔
SN74LS505N / TI,,08/09+,010-66001623/66001621 訂購 PDF文檔