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:
Sep. 02, 2025
Filed:
Sep. 01, 2023
Applicant:
SK Hynix Inc., Gyeonggi-do, KR;
Inventors:
No Geun Joo, Gyeonggi-do, KR;
Jun Seok Noh, Gyeonggi-do, KR;
Assignee:
SK hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/40 (2006.01); G11C 11/406 (2006.01);
U.S. Cl.
CPC ...
G11C 11/406 (2013.01);
Abstract
A memory device includes a row-hammer tracking circuit configured to: generate short interval signals each having one of first to n-th lengths based on input intervals between active commands, and generate a rate control signal based on whether a pattern of the short interval signals corresponds to a row-hammer attack pattern; and a target command issue circuit configured to adjust a frequency of a target refresh operation according to the rate control signal.