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. 21, 2013
Filed:
Oct. 29, 2008
Chi-hsiang Hung, Taipei, TW;
Chi-Hsiang Hung, Taipei, TW;
Silicon Motion, Inc., Jhubei, Hsinchu County, TW;
Abstract
Methods and devices capable of erasing a flash memory evenly are provided, in which a flash memory comprises a data region with a plurality of data blocks and a spare region with a plurality of spare blocks, and a controller retrieves a corresponding data with a check code from a first data block of the flash memory according to a read command from a host, performs a predetermined check to the corresponding data by the check code, determines whether an error is correctable when a check result of the predetermined check represents that the error has occurred, and increases an erase count of the first data block by a predetermined value when the error is correctable.