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.

Date of Patent:
Jan. 25, 2022

Filed:

Feb. 01, 2019
Applicant:

SK Hynix Inc., Gyeonggi-do, KR;

Inventor:

Sang-Geun Bae, Gyeonggi-do, KR;

Assignee:

SK hynix Inc., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 5/14 (2006.01); G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G11C 5/147 (2013.01); G06F 3/0604 (2013.01); G06F 3/0659 (2013.01); G06F 3/0673 (2013.01);
Abstract

A memory system includes a memory device; and a memory controller including: a code signal generator configured to generate first code signals; a comparison voltage selector configured to select as a comparison voltage reference voltage candidates in order of a voltage level in response to the first code signals; a delay component configured to generate second code signals by delaying the first code signals; a reference voltage candidate selector configured to select as a reference voltage candidate the reference voltage candidates in the order of a voltage level in response to the second code signals; and a detector configured to generate a flag signal by comparing the comparison voltage and the reference voltage candidate alternately provided from the comparison voltage selector and the reference voltage candidate selector.


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