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MC74LS640 MC74LS641 MC74LS642 MC74LS643原
SN74LS640N MC74HC138AN BL0932 TA8142AP V36ZA80 AQV454芯片
SN74LS640NMC74HC138ANBL0932
全新原装正品品质保证
贴插MC74LS374J SN74LS640N ICM7224IPL M48Z18B-10 B
装MC74HC374AN SN74LS640-1N SN75175N SN74LS74AN
贴插MC74LS244DWR2-HD74LS640FPEL-MC74LS374DWR2-B
贴插385B25 SN74LS640DW CC1100ERTKR MC10EL04DR2 MC10EL31DR2 N
贴插TWL91309PMR UPB74LS151C MC100LVE210 SN74BCT640N N
