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:
Oct. 27, 2020

Filed:

Jul. 17, 2018
Applicant:

Shenzhen Epostar Electronics Limited Co., Shenzhen, CN;

Inventors:

Yu-Hua Hsiao, Hsinchu County, TW;

Hung-Chih Hsieh, Hsinchu County, TW;

Tzu-Wei Fang, Taipei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/02 (2006.01); G06F 3/06 (2006.01); G11C 11/56 (2006.01); G11C 16/10 (2006.01);
U.S. Cl.
CPC ...
G06F 12/0246 (2013.01); G06F 3/064 (2013.01); G06F 3/0679 (2013.01); G11C 11/5628 (2013.01); G11C 16/105 (2013.01); G06F 2212/2022 (2013.01); G06F 2212/7201 (2013.01);
Abstract

A Memory management method for a storage device having a rewritable non-volatile memory module is provided. The rewritable non-volatile memory module has a plurality of physical blocks divided into a plurality of block stripes. The method includes: scanning the physical blocks to identify one or more bad physical blocks among the physical blocks; calculating a plurality of effective weight values corresponding to the block stripes according to a plurality of data accessing time parameters of the rewritable non-volatile memory module, a plurality of valid data counts, and the identified one or more bad physical blocks; and selecting a target block stripe from the block stripes according to the effective weight values to perform a garbage collection operation.


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