全新SN74ALS640B-1 SN74ALS640ANS SN74ALS640-1N SN74ALS639ANS

MC74ACT00DT SN74ABT240NS SN74LVC08NS SN74ALS640ANS

原MC74ACT00DT SN74ABT240NS SN74LVC08NS SN74ALS640ANS

贴片直插SN74ALS867A/SN74ALS640B/SN74ALS621A/SN74ALS639A/4

SN74ALS640BDWRE4/SN74ALS640BDWR/SN74ALS640BN

SN74ALS640B-1N/SN74ALS640B1DW/SN74ALS640B-1NSR

SN74ALS640BDW/SN74ALS640BDWE4/SN74ALS640BDWG4

原厂原装SN74ALS640BN IC TRANSCEIVER INVERT 5.5

全新SN74ALS640BNSR正品IC TRANSCEIVER INVERT 5.5V 2

全新SN74ALS640BDW正品IC TXRX INVERT 5.5V 20SOIC

全新SN74ALS640B-1NSR正品IC TRANSCEIVER INVERT 5.5V

全新SN74ALS640BDWR正品IC TXRX INVERT 5.5V 20SOIC

全新SN74ALS640B-1N正品IC TRANSCEIVER INVERT 5.5V 2

SN74ALS639AN/SN74ALS640B-1DWR/SN74ALS640B-1DW