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.

Date of Patent:
Nov. 26, 2024

Filed:

Mar. 19, 2021
Applicant:

Silicon Motion, Inc., Hsinchu County, TW;

Inventor:

Tzu-Yi Yang, Hsinchu County, TW;

Assignee:

Silicon Motion, Inc., Hsinchu County, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01); G11C 11/56 (2006.01); G11C 16/16 (2006.01); G11C 16/34 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0652 (2013.01); G06F 3/0616 (2013.01); G06F 3/064 (2013.01); G06F 3/0653 (2013.01); G06F 3/0679 (2013.01); G11C 16/16 (2013.01); G11C 16/349 (2013.01); G11C 11/56 (2013.01);
Abstract

A method of performing a wear-leveling operation in a flash memory includes: determining a block age for each of a plurality of blocks in the flash memory according to a number of erase operations that have been performed on the flash memory after the block is erased; selecting one or more candidate source blocks from the plurality of blocks by comparing block ages of the plurality of blocks with an age limit; determining a source block from the one or more candidate source blocks according to erase counts or block ages of the one or more candidate source blocks; and performing the wear-leveling operation on the source block.


Find Patent Forward Citations

Loading…