A semiconductor device includes: a p-type MIS transistor having a first gate electrode including silicon doped with p-type impurities; an n-type MIS transistor having a second gate electrode including silicon doped with n-type impurities; and a shared line which connects the p-type MIS transistor and the n-type MIS transistor and serves as a path of a power supply current or a ground current, the shared line including silicided silicon. The first gate electrode and the second gate electrode have silicided top portions, respectively, to establish electrical connection therebetween and the shared line has a line width larger than the line widths of the first gate electrode and the second gate electrode.

 
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