Patent attributes
According to the present invention, there is provided a semiconductor device comprising:a power line to be externally supplied with a power supply voltage;a ground line for grounding;a first signal line for transmitting a first signal;a second signal line for transmitting a second signal;a first switching element and first resistance element connected in series between said first signal line and a power terminal which supplies a predetermined potential;a second switching element and second resistance element connected in series between said second signal line and said ground line; anda controller which is connected to said power line, said ground line, said first signal line, and said second signal line, and, when detecting that a potential of said power line has reached the power supply voltage, turns on said first switching element and said second switching element, and turns off said second switching element after an elapse of a predetermined time.