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:
Mar. 12, 2019
Filed:
Mar. 15, 2017
Applicant:
Western Digital Technologies, Inc., Irvine, CA (US);
Inventors:
Haining Liu, Irvine, CA (US);
Subhash Balakrishna Pillai, Irvine, CA (US);
Assignee:
WESTERN DIGITAL TECHNOLOGIES, INC., San Jose, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/02 (2006.01); G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 3/061 (2013.01); G06F 3/0655 (2013.01); G06F 3/0679 (2013.01); G06F 12/0246 (2013.01); G06F 2212/7211 (2013.01);
Abstract
A data storage device includes a nonvolatile solid-state memory comprising a plurality of blocks and a controller configured to maintain age data associated with each of a plurality of memory units, wherein each memory unit comprises one or more of the plurality of blocks, determine a capacity of the nonvolatile solid-state memory, and perform a wear leveling operation on a first memory unit of the plurality of memory units based at least in part on the age data associated with the first memory unit and the capacity of the nonvolatile solid-state memory.