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:
Dec. 16, 2025
Filed:
Mar. 10, 2023
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventor:
Se Won Lee, Icheon-si, KR;
Assignee:
SK hynix Inc., Icheon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/12 (2006.01); H03M 1/18 (2006.01); G11C 27/02 (2006.01);
U.S. Cl.
CPC ...
H03M 1/1245 (2013.01); H03M 1/183 (2013.01); G11C 27/02 (2013.01); G11C 27/026 (2013.01);
Abstract
A sample and hold circuit includes a sampling circuit including a first amplifier configured to amplify an input voltage to generate an amplification voltage, the sampling circuit configured to perform a sampling operation of sampling the amplification voltage. The sample and hold circuit also includes a holding circuit configured to perform a holding operation of setting an output voltage to a voltage level of the input voltage, based on the sampling operation and an amplification operation of a second amplifier.