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型號 / 廠家，封裝，批號，備注，訂購
SN74LS540DWRE4 / Texas Instruments,Datasheet,06/07+,OCTAL BUFFERS and LI 訂購 PDF文檔
SN74LS540FPT / TI,SOP5.2,08/09+,全新原裝 訂購 PDF文檔
SN74LS540M / ,,08/09+,全新原裝現(xiàn)貨庫存 訂購 PDF文檔
SN74LS540MN / TI,SO-8,08/09+,原裝現(xiàn)貨 訂購 PDF文檔
SN74LS540NSE4 / 原廠家,SOP,N/A,上海實貨庫存!歡迎查詢! 訂購 PDF文檔
SN74LS540NSR / ,,08/09+,全新原裝深圳庫存 訂購 PDF文檔
SN74LS541DB / TI,,08/09+,010-62106431 訂購 PDF文檔
SN74LS541DW / ON/MOTOROLA,,08/09+,全新原裝 訂購 PDF文檔