TITLE

Architectural Issues for Power Gating

AUTHOR(S)
Keating, Michael; Flynn, David; Aitken, Robert; Gibbons, Alan; Shi, Kaijian
PUB. DATE
February 2008
SOURCE
Portable Design;Feb2008, Vol. 14 Issue 2, p38
SOURCE TYPE
Periodical
DOC. TYPE
Article
ABSTRACT
The article focuses on the architectural issues concerning the implementation of power-gating designs. An overview of the concept of power gating is presented, including partitioning, multiple power-gated domains and hierarchy. Several designs of a processor-based system-on-a-chip (SOC) of the central processing unit (CPU) system are also introduced, including an independent power rail to the entire cached CPU subsystem and an always-on supply to provide power to the isolation cells. Furthermore, the pitfalls and recommendations on every design are also discussed in the article.
ACCESSION #
31286372

 

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