LEVEL SHIFTER CIRCUIT

摘要

A level shifter circuit comprises a first transistor and a second transistor. The first transistor is connected to a power terminal and an output terminal and transfers a power voltage applied from the power terminal to the output terminal in response to an input signal, transferred from the input terminal to a first gate, and a signal transferred to a second gate. The second transistor is connected to the power terminal and transfers a grounding voltage to the output terminal in response to a gate signal transferred to a gate. Accordingly, the present invention can improve power efficiency in a depletion mode or an increase mode by forming a main transistor in the level shifter circuit as a double gate transistor.