A circuit is provided, the circuit including: a first power supply terminal connected to a first p-type metal oxide semiconductor transistor; a second power supply terminal connected to a second p-type metal oxide semiconductor transistor; an output node connected between the first p-type metal oxide semiconductor transistor and second p-type metal oxide semiconductor transistor; and a decision circuit connected to the first power supply terminal and the second power supply terminal, wherein the decision circuit is powered by the output node and wherein gate terminals of the first p-type metal oxide semiconductor transistor and second p-type metal oxide semiconductor transistor are complementarily and actively controlled by the decision circuit.