Integrated circuit with multiple independent power supply zones

Details Integrated circuit with multiple independent power supply zones Integrated circuit with multiple independent power supply zones

2010-07-02

2011-12-06

Fureman, Jared (Department: 2836)

Electrical transmission or interconnection systems

Plural supply circuits or sources

Reexamination Certificate

active

08072096

ABSTRACT:
An integrated circuit comprising multiple independent power supply zones at substantially the same voltage level and a method for utilizing such power supply zones. An integrated circuit may comprise a first module and may, for example, comprise a second module. A first power supply bus may communicate first electrical power to the first module, where the first electrical power is characterized by a first set of power characteristics comprising a first voltage level. A second power supply bus may communicate second power to the second module, where the second power is characterized by a second set of power characteristics comprising a second voltage level that is substantially similar to the first voltage level. The second set of power characteristics may, for example, be substantially different than the first set of power characteristics. The second power supply bus may also, for example, communicate the second electrical power to the first module.

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Fujitsu, Evaluation Board Manual for MB39A 112, Apr. 2003, Fujitsu, Rev 1.0E.
Intel, Design Guide for Intel PXA Processor, Mar. 2003, Intel, Rev. 001, pp. i to viii; 1-1 to 1-16; 8-1 to 8-10; B-1 to B18.
Fujitsu, Datasheet for MB39A112, 2003, Fujitsu.

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