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:
May. 27, 2008
Filed:
Feb. 17, 2005
Teik-chung Tan, Austin, TX (US);
Teik-Chung Tan, Austin, TX (US);
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
A cache system is constructed in accordance with an architecture that comprises a tag array into which tags are stored that are used to determine whether a hit or a miss into the cache system has occurred. Further, the cache system comprises a data array into which cache lines of data are stored, each cache line comprising a plurality of sub-lines, and each sub-line is adapted to be written back to a system memory separate from the other sub-lines. The cache system also comprises a controller coupled to the tag and data arrays. The tag array includes a cache-line dirty bit associated with each cache line and the data array includes a plurality of dirty bits for each cache line. The plurality of dirty bits comprises one sub-line dirty bit for each sub-line.