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MC74ACT640N 芯片 直插二十脚 DIP20封装集成电路IC MC74ACT640NG
MC74ACT640NG【IC TRANSCEIVER INVERT 5.5V 20DIP】
MC74ACT574NG/MC74ACT640DW/MC74ACT640DWG
MC74ACT574NG MC74ACT640DW MC74ACT640DWG
贴片直插MC74ACT640NG，MC74ACT574MG，MC74ACT640DW，4
贴片直插MC74ACT640MG，MC74ACT573NG，MC74ACT574DW，4
