Patent ID: 7710142

Claim:
A semiconductor integrated circuit comprising: a plurality of power supply pads including two or more kinds with different usage, one or more switches having control terminals respectively, each of the switches connected to two of the power supply pads which are adjacent to each other so as to select a short-circuited state or an electrically isolated state between the two power supply pads, and one or more control lines connected to the control terminals according to the kinds of the power supply pads to which the switches are connected, the power supply pads comprises two or more kinds of high electric potential side power supply pads and low electric potential side power supply pads corresponding to the high electric potential side power supply pads, and the switches connected to the high voltage sides power supply pads are classified into one or more groups according to the kinds of the high voltage sides power supply pads connected to the switches, the switches belonging to each of the groups being connected to another one of the control lines in common.