| 摘要 |
In a power controller for a mounting substrate adapted to mount an integrated circuit includes I/O pads mounted on a semiconductor substrate as the mounting substrate, and a Vcc1 electric circuit system mounted on the semiconductor substrate, an isolator portion is included in the power controller and is connected between one of the I/O pads and the Vcc1 electric circuit system. Another isolator portion may be connected between the other I/O pad and another Vcc3 electric circuit system.
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