| 摘要 |
An integrated circuit device includes: an internal circuit disposed on an inside area of the integrated circuit device; and at least one regulator circuit that generates a regulation voltage formed by stepping down a power supply voltage provided from outside, wherein an output terminal of the regulator circuit is connected to a first pad that is an external terminal of the integrated circuit device and a power supply line of the internal circuit, and the regulator circuit controls the state of the output terminal based on a plurality of control signals inputted respectively to a plurality of control terminals.
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