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型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)
SN74LS640AN / ON,,08/09+,原裝010-62106431 訂購(gòu) PDF文檔
SN74LS640DWE4 / Texas Instruments,Datasheet,07+,Octal bus transceive 訂購(gòu) PDF文檔
SN74LS640DWR / TI,SOP,08/09+,全新原裝 訂購(gòu) PDF文檔
SN74LS640DWR2 / MOTOROLA,,08/09+,全新原裝深圳庫(kù)存 訂購(gòu) PDF文檔
SN74LS640J / TI,DIP/SOP,08/09+,原裝010-62106431 訂購(gòu) PDF文檔
SN74LS640JDS / MOT,CDIP,N/A,~~房間全新現(xiàn)貨庫(kù)存 訂購(gòu) PDF文檔
SN74LS640ML1 / On Semiconductor,Datasheet,06/07+,Octal Bus Transceive 訂購(gòu) PDF文檔
SN74LS640N// / ,,08/09+,全新原裝 訂購(gòu) PDF文檔
SN74LS640NSRE4 / Texas Instruments,Datasheet,06/07+,Octal bus transceive 訂購(gòu) PDF文檔