Patent ID: 7692470

Claim:
A level conversion circuit which converts a level of an input voltage and outputs a voltage whose level has been converted, comprising: a first transistor having a gate thereof grounded, for inputting the input voltage to a source thereof and outputting an output voltage from a drain thereof; a third transistor having a gate thereof grounded and a drain thereof to which a power supply voltage is applied, for outputting, from a source thereof, the output voltage determined by the power supply voltage; a second transistor for inputting the output voltage outputted from the source of the third transistor to a drain thereof, inputting the output voltage outputted from the drain of the first transistor to a gate thereof, and outputting, from a source thereof, the output voltage determined by the power supply voltage; a level shift circuit for inputting the output voltage outputted from the source of the second transistor to an input end thereof and outputting, from an output end thereof, a voltage whose level is shifted by a predetermined amount; and a resistance inserted between the output end of the level shift circuit and a ground.