Power managers for an integrated circuit

Computer-aided design and analysis of circuits and semiconductor – Nanotechnology related integrated circuit design

Reexamination Certificate

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C716S030000, C716S030000, C716S030000

Reexamination Certificate

active

07415680

ABSTRACT:
A system for an integrated circuit comprising a plurality of power islands includes a first power manager and a second power manager. The first power manager manages a first power consumption for the integrated circuit based on needs and operation of the integrated circuit. The second power manager communicates with the first power manager and manages a second power consumption for one of the power islands.

REFERENCES:
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patent: 6631502 (2003-10-01), Buffet et al.
patent: 6667648 (2003-12-01), Stout et al.
patent: 6779163 (2004-08-01), Bednar et al.
patent: 6820240 (2004-11-01), Bednar et al.
“Solving the Power Management Dilemma in System-On-Chip ASIC Design”, Apr. 2002, IBM Technology Group.
Lackey et al.,“Managing Power and Performance for System-on-Chip Designs using Voltage Islands”, Nov. 2002, IEEE International Conference on Computer Aided Design, Technical Paper pp. 195-202.
Semeraro et al., “Dynamic Frequency and Voltage Control for Multiple Clock Domain Microarchitecture”, Nov. 2002, 35thAnnual IEEE/ACM International Symposium on Microarchitecture, Proceedings pp. 356-367.

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