原厂SN74LS640N原装INVERT￥20.30去看看壹方科芯发布了原厂原装SN74LS640N IC TXRX INVERT 5.25V 20DIP全正品SN74LS640DW全新INVERT￥18.50去看看承湘电子发布了全新SN74LS640DW正品IC TXRX INVERT 5.25V 20SOIC正品全新INVERT20DIP￥17.70去看看承湘电子发布了全新SN74LS640-1N正品IC TXRX INVERT 5.25V 20DIP正品TRANSCEIVER全新INVERT￥9.90去看看承湘电子发布了全新SN74LS640-1NSR正品IC TRANSCEIVER INVERT 5.25VSN74LS640NSR正品TRANSCEIVER全新￥9.90去看看承湘电子发布了全新SN74LS640NSR正品IC TRANSCEIVER INVERT 5.25V 20SOSN74LS640DWR正品全新INVERT￥8.60去看看承湘电子发布了全新SN74LS640DWR正品IC TXRX INVERT 5.25V 20SOICSN74LS640DWG41SN74LS628NE4640SN￥3.20去看看永恒电子元器件发布了SN74LS628NE4 SN74LS640-1DW SN74LS640-1N SN74LS640DWG41芯片TRANSCVRINVERT20SOIC￥18.70去看看盛夏芯片发布了SN74LS640-1DW芯片 〔IC TRANSCVR INVERT 5.25V 20SOIC 〕SN74LS640DW芯片TRANSCVRINVERT￥18.20去看看盛夏芯片发布了SN74LS640DW芯片 〔IC TRANSCVR INVERT 5.25V 20SOIC 〕芯片INVERT20DIPTXRX￥21.50去看看盛夏芯片发布了SN74LS640-1N芯片 〔IC TXRX INVERT 5.25V 20DIP 〕SN74LS640DWR芯片TRANSCVRINVERT￥6.70去看看盛夏芯片发布了SN74LS640DWR芯片 〔IC TRANSCVR INVERT 5.25V 20SOIC 〕SN74LS640N芯片TRANSCVRINVERT￥17.30去看看盛夏芯片发布了SN74LS640N芯片 〔IC TRANSCVR INVERT 5.25V 20DIP 〕SN74LS640DBR芯片TRANSCVRINVERT￥11.70去看看盛夏芯片发布了SN74LS640DBR芯片 〔IC TRANSCVR INVERT 5.25V 20SSOP 〕
