Provided is a logic circuit comprising a metal-insulator transition (MIT) device, including: an MIT device unit including an MIT thin film, an electrode thin film contacting the MIT thin film, and at least one MIT device undergoing a discontinuous MIT at a transition voltage VT; a power source unit including at least one power source applying power to the MIT device; and at least one resistor connected to the MIT device, wherein a logic operation is performed on a signal through the power source to output the result of the logic operation as an output signal.