The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 18, 2012
Filed:
Nov. 12, 2008
Ronald George Dreslinski, Jr., Sterling Heights, MI (US);
Gregory Kengho Chen, Ann Arbor, MI (US);
Trevor Nigel Mudge, Ann Arbor, MI (US);
David Theodore Blaauw, Ann Arbor, MI (US);
Dennis Sylvester, Ann Arbor, MI (US);
Ronald George Dreslinski, Jr., Sterling Heights, MI (US);
Gregory Kengho Chen, Ann Arbor, MI (US);
Trevor Nigel Mudge, Ann Arbor, MI (US);
David Theodore Blaauw, Ann Arbor, MI (US);
Dennis Sylvester, Ann Arbor, MI (US);
The Regents of the University of Michigan, Ann Arbor, MI (US);
Abstract
A data processing apparatus is provided having a cache memory comprising a data storage array and a tag array and a cache controller coupled to the cache memory responsive to a cache access request from processing circuitry to perform cache look ups. The cache memory is arranged such that it has a first memory cell group configured to operate in a first voltage domain and a second memory cell group configured to operate in a second voltage domain that is different from the first voltage domain. A corresponding data processing method is also provided.