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:
Dec. 18, 2018

Filed:

Apr. 13, 2017
Applicant:

SK Hynix Inc., Gyeonggi-do, KR;

Inventors:

Fan Zhang, Fremont, CA (US);

June Lee, Sunnyvale, CA (US);

Chenrong Xiong, San Jose, CA (US);

Aman Bhatia, San Jose, CA (US);

Naveen Kumar, San Jose, CA (US);

David Pignatelli, Saratoga, CA (US);

Assignee:

SK Hynix Inc., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/10 (2006.01); H03M 13/09 (2006.01); H03M 13/11 (2006.01);
U.S. Cl.
CPC ...
G06F 11/1056 (2013.01); H03M 13/098 (2013.01); H03M 13/1111 (2013.01); G06F 11/1076 (2013.01);
Abstract

Techniques for codeword decoding are described. In an example, a system accesses information about a block of a storage device of the system. The block includes data lines and redundant lines. The data lines are available to store data and include a bad data line that is unreliable for data storage. The redundant lines include a redundant line that replaces the bad data line, and a free redundant line that remains available after replacement of all bad data lines from the data lines. The information includes an identifier of the bad data line and an identifier of the free redundant line. The system accesses a codeword stored in the block. A portion of the codeword is stored in the free redundant line. The system decodes the codeword based on the identifier of the bad data line and the identifier of the free redundant line.


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