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. 13, 2024
Filed:
May. 25, 2022
SK Hynix Inc., Gyeonggi-do, KR;
Woongrae Kim, Gyeonggi-do, KR;
SK hynix Inc., Gyeonggi-do, KR;
Abstract
A memory device includes: a refresh control circuit configured to generate a self-refresh command and a refresh address, word line control circuits configured to control a refresh operation of a plurality of word lines, a group management circuit configured to classify N address groups by grouping the refresh addresses to be generated by the refresh control circuit and to select from the N address groups, a current address group including a refresh address to be currently generated and a subsequent address group including a refresh address to be generated after the current address group according to the predetermined order, a row control circuit configured to group the plurality of word line control circuits with N control signals respectively corresponding to the N address groups, respectively, and a supply control circuit configured to activate signals corresponding to the current and subsequent address groups among the N control signals.