Patent ID: 7808280
Filing Date: 2010-10-05
Classification: H01L,H03K

Abstract:
1. A semiconductor device having substrate bias control capability, comprising: a plurality of functional blocks formed on a substrate, each having a predetermined function; a wiring region between functional blocks, a wiring region between each of the functional blocks and an input/output unit, and a wiring region between each of the functional blocks and a core logic unit on the substrate, in each of which a signal line is provided; a plurality of logic circuits formed on the substrate, disposed in the wiring regions, and provided along the signal line, each of the plurality of logic circuits operating with a substrate bias potential; and a plurality of contact sections formed on the substrate, disposed in the wiring regions in parallel with a wiring direction of the signal line, each being associated with each of the plurality of logic circuits for providing the substrate bias potential to the associated logic circuit, wherein each of the logic circuits includes a first well region of a first type and a first well region of a second type, and each of the plurality of contact sections includes a second well region of the first type and a second well region of the second type.