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:
Aug. 19, 2025

Filed:

Jan. 09, 2024
Applicant:

Silicon Motion, Inc., Jhubei, TW;

Inventor:

Yi-Kang Chang, New Taipei, TW;

Assignee:

SILICON MOTION, INC., Jhubei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/02 (2006.01);
U.S. Cl.
CPC ...
G06F 12/0246 (2013.01); G06F 2212/7211 (2013.01);
Abstract

A non-volatile memory life-extension technology is shown. Based on two values related to the write amplification factor of non-volatile memory, the controller coupled to the non-volatile memory adjusts the execution frequency of the wear-leveling migration performed on the non-volatile memory. By executing the wear-leveling migration, the controller uses the first block, which is a spare block, to store the data of the second block, whose erase count is lower than that of the first block, and then erases and releases the second block for reuse. The frequency adaptation of the execution of wear-leveling migration effectively avoids the exacerbation of write amplification problems.


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