贴片TC74HC￥2.50去看看芯片二极管三极管电容电阻集成电路发布了贴片直插TC74HC597AF/TC74HC423AF/TC74HC32AFN/TC74HC4040P/4贴片TC74HC4050AFTTC74HC4040AFNTC￥2.50去看看芯片二极管三极管电容电阻集成电路发布了贴片直插TC74HC4050AFT，TC74HC20AF-EL，TC74HC4040AFN，4
