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:
Apr. 29, 2025

Filed:

Jul. 24, 2023
Applicant:

SK Hynix Inc., Gyeonggi-do, KR;

Inventors:

Jin Ho Jeong, Gyeonggi-do, KR;

Dae Suk Kim, Gyeonggi-do, KR;

Munseon Jang, Gyeonggi-do, KR;

Assignee:

SK hynix Inc., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/52 (2005.12); G11C 29/02 (2005.12);
U.S. Cl.
CPC ...
G11C 29/52 (2012.12); G11C 29/022 (2012.12);
Abstract

A memory includes a first check matrix calculation circuit configured to generate a first parity based on a group indicator portion of a check matrix and write data; a memory core including cell regions configured to store therein the write data and the first parity, neighboring ones of the cell regions sharing one or more sub-word line drivers; a first syndrome calculation circuit configured to generate a first syndrome based on the first parity read from the memory core and a first result of calculating the group indicator portion and data read from the memory core; and a failure determination circuit configured to detect, for each row of the memory core, a defective one of the sub-word line drivers based on the first syndrome.


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