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:
Jul. 09, 2019
Filed:
May. 01, 2018
Applicant:
SK Hynix Inc., Gyeonggi-do, KR;
Inventors:
Hee Jun Kim, Gyeonggi-do, KR;
Minsoon Hwang, Gyeonggi-do, KR;
Assignee:
SK hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/4099 (2006.01); G11C 29/50 (2006.01); G11C 11/4093 (2006.01); H03H 11/28 (2006.01); G11C 11/4076 (2006.01);
U.S. Cl.
CPC ...
G11C 29/50008 (2013.01); G11C 11/4093 (2013.01); G11C 11/4099 (2013.01); H03H 11/28 (2013.01); G11C 11/4076 (2013.01);
Abstract
A memory system includes: a buffer memory device; and a memory controller configured to communicate data with the buffer memory device, wherein the memory controller includes: an input/output power voltage sensor configured to generate a first signal by sensing a change in input/output power voltage; and an impedance calibration circuit configured to perform an impedance calibration operation in response to the first signal.