| 摘要 |
PROBLEM TO BE SOLVED: To provide a semiconductor integrated circuit that can operate over a wide temperature range and is reducible in leak current.SOLUTION: The semiconductor integrated circuit includes a high-VT logic circuit 3 comprising a MOS transistor having a first threshold voltage, a low-VT logic circuit 4 having the same logic with the high-VT logic circuit 3 and composed of a MOS transistor having a second threshold voltage lower than the first threshold voltage, and a control circuit which makes one of the high-VT logic circuit 3 and low-VT logic circuit 4 operate in accordance with the temperature of a chip mounted with the high-VT logic circuit 3 and low-VT logic circuit 4. |
