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:
Jul. 04, 2017

Filed:

Jan. 25, 2016
Applicant:

Silicon Motion, Inc., Jhubei, Hsinchu County, TW;

Inventor:

Chun-Yi Chen, Jhubei, TW;

Assignee:

SILICON MOTION, INC., Jhubei, Hsinchu County, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/14 (2006.01); G06F 11/10 (2006.01); G11C 29/52 (2006.01); G11C 11/56 (2006.01);
U.S. Cl.
CPC ...
G06F 11/1068 (2013.01); G06F 11/1072 (2013.01); G06F 11/1402 (2013.01); G11C 29/52 (2013.01); G06F 11/141 (2013.01); G11C 11/5642 (2013.01); G11C 2211/5641 (2013.01);
Abstract

A data reading method, applied to a data storage device that includes a flash memory capable of operating in a SLC mode and a multi-level cell mode. The data reading method includes reading a page corresponding to a first word line of the flash memory in the SLC mode according to a read command of a host to obtain a first data segment, writing a predetermined data into a most-significant-bit page corresponding to the first word line in the multi-level cell mode when the first data segment has an error, and reading the page corresponding to the first word line in the SLC mode again to obtain a second data segment.


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