Patent ID: 6943412
Filing Date: 2005-09-13
Classification: H01L

Abstract:
1. A semiconductor integrated circuit device comprising: a MOS capacitor, one end of which is connected to a power source wire for supplying a power source voltage, and another end of which is connected to a ground potential wire for supplying a ground potential, said power source wire is connected to a power source terminal, to which a first power source voltage is supplied, through a power source conversion circuit for converting said first power source voltage; a ground terminal, to which said ground potential wire is connected; and an electrostatic protection element connected in parallel with said MOS capacitor between said ground terminal and said MOS capacitor, said electrostatic protection element protecting said semiconductor integrated circuit device from electrostatic breakdown due to discharge of electric charge accumulated on said semiconductor integrated circuit device according to a charged device model, wherein, a wire resistance R where V where V where i a current flowing in R where R