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:
Aug. 11, 2026
Filed:
May. 11, 2023
SK Hynix Inc., Gyeonggi-do, KR;
Chul Moon Jung, Gyeonggi-do, KR;
SK hynix Inc., Gyeonggi-do, KR;
Abstract
A memory device includes a refresh latch configured to generate a first aggressive address by latching an address input with a refresh management command; a detection circuit configured to sequentially store the first aggressive address as a plurality of first candidate addresses, and generate a detection signal according to a number of duplicated addresses among the plurality of the first candidate addresses; an address sampling circuit configured to generate a second aggressive address by collecting information on rows subjected to a row-hammer attack; and an output control circuit configured to output, as a target address, the first aggressive address or the second aggressive address according to the refresh management command and the detection signal.