贴片直插MC74HC14AN，MC74HC390D，MC74HC86AF，MC74HC393N，4

进口逻辑芯片 MC74HC390DR 74HC390D HC390A 贴片SOP-16 质量保证

74HC390D/MC74HC390ADR2线上营业厅，原厂原装正品 ic元器件BOM表

MC74HC390N SN74HC390N CD74HC390E D74HC390C 全新原装