cMos逻辑电路的逻辑电平 5. Ov Logic 1(high) 3.5 Undefined state 1.5v LogIC O(LoV OvCMOS逻辑电路的逻辑电平 Logic 1(high) Undefined state Logic 0(Low) 5.0v 3.5v 1.5v 0v