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:
Feb. 18, 2025
Filed:
Nov. 04, 2022
Applicant:
SK Hynix Inc., Gyeonggi-do, KR;
Inventors:
Woongrae Kim, Gyeonggi-do, KR;
Chul Moon Jung, Gyeonggi-do, KR;
Assignee:
SK hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 11/406 (2006.01); G11C 11/401 (2006.01); G11C 11/4074 (2006.01); G06F 3/06 (2006.01); G11C 11/4078 (2006.01);
U.S. Cl.
CPC ...
G11C 11/40615 (2013.01); G11C 11/401 (2013.01); G11C 11/406 (2013.01); G11C 11/40618 (2013.01); G11C 11/4074 (2013.01); G06F 3/0625 (2013.01); G11C 11/4078 (2013.01); G11C 2211/4067 (2013.01); G11C 2211/4068 (2013.01);
Abstract
An operation method of a memory may include entering a self-refresh mode, increasing a level of a back-bias voltage in response to entering the self-refresh mode, performing self-refresh operations in a first cycle, confirming that the back-bias voltage reaches a level of a first threshold voltage, and performing the self-refresh operations in a second cycle longer than the first cycle in response to the confirmation.