Patent ID: 9608625
Date: 2017-03-28
CPC Classifications: G06F,H03K,Y02D

Claim:
1. A semiconductor device comprising: a voltage line to which a first voltage is applied; a first circuit configured to operate by using the first voltage; and a second circuit configured to control a connection between the voltage line and the first circuit; wherein the second circuit includes: at least one first switch circuit including a plurality of first switch cells; and a second switch circuit including a plurality of switch sections, the plurality of first switch cells are configured to connect the first circuit and the voltage line based on a first control signal, the plurality of switch sections are configured to connect the first circuit and the voltage line based on a plurality of second control signals different from the first control signal, the first switch circuit outputs a third control signal after the plurality of first switch cells are sequentially turned on, and a first switch section of the plurality of switch sections is turned on based on the third control signal and a first signal of the plurality of second control signals.