| 摘要 |
PROBLEM TO BE SOLVED: To provide a circuit device that has a small occupied area and a supply voltage that is operated safely and generated internally at a manufacture state of an integrated circuit. SOLUTION: This invention provides the circuit device that has a terminal to which an external supply voltage is applied, a voltage generator having a terminal to pick up an internal voltage different from the external supply voltage and being energized by the external supply voltage, a reference level terminal, switching stage, a control circuit generating a pre-charge signal and an internal supply voltage.
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