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:
Jan. 10, 2023
Filed:
Aug. 27, 2021
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventor:
Gi Moon Hong, Icheon-si, KR;
Assignee:
SK hynix Inc., Icheon-si, KR;
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/04 (2006.01); G06F 1/10 (2006.01); H03K 19/173 (2006.01); H03K 5/05 (2006.01); H03K 5/00 (2006.01);
U.S. Cl.
CPC ...
G06F 1/10 (2013.01); H03K 5/05 (2013.01); H03K 19/1737 (2013.01); H03K 2005/00234 (2013.01); H03K 2005/00286 (2013.01);
Abstract
A phase correction circuit includes: a test clock generation unit including a plurality of signal paths and configurable to generate a plurality of test clock signals in response to a plurality of selection signals and a plurality of phase control signals; a detection unit configured to generate a plurality of detection voltages using the plurality of test clock signals; and a control unit configured to generate the plurality of selection signals, detect phase skews of the plurality of signal paths according to the plurality of detection voltages, and generate the plurality of phase control signals for correcting the phase skews.