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:
Feb. 11, 2025

Filed:

Jan. 25, 2023
Applicant:

SK Hynix Inc., Gyeonggi-do, KR;

Inventor:

Hong Ki Moon, Gyeonggi-do, KR;

Assignee:

SK hynix Inc., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/00 (2006.01); G11C 29/18 (2006.01); G11C 29/42 (2006.01); G11C 29/46 (2006.01);
U.S. Cl.
CPC ...
G11C 29/42 (2013.01); G11C 29/18 (2013.01); G11C 29/46 (2013.01);
Abstract

A semiconductor memory device includes a command address control circuit configured to generate an error correction command and selection address for executing an error correction operation by receiving an external control signal, an error flag generation circuit configured to correct an error of data corresponding to the selection address and configured to generate a target error flag based on a pattern of the error of the data, and an error information processing circuit configured to generate a target address that is used as the selection address based on the target error flag in a target error correction operation that is executed based on the error correction operation.


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