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. 19, 2025
Filed:
May. 18, 2023
Samsung Electronics Co., Ltd., Suwon-si, KR;
Hijung Kim, Suwon-si, KR;
Seongjin Cho, Suwon-si, KR;
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Abstract
A memory device includes a memory cell array including a plurality of memory cells coupled to wordlines and bitlines, a target row refresh logic configured to perform a refresh operation based on a weighted access count on the memory cell array, a register configured to store a weighted access count for each of a plurality of row addresses; an accumulator configured to accumulate a current weighted access count corresponding to an access spacing to the weighted access count stored in the register, and a calculator configured to calculate the access spacing.
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