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:
Nov. 17, 2020
Filed:
Jun. 20, 2018
Applicant:
SK Hynix Inc., Icheon-si Gyeonggi-do, KR;
Inventor:
Na Yeon Cho, Yongin-si, KR;
Assignee:
SK hynix Inc., Icheon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/26 (2020.01); H01L 27/088 (2006.01);
U.S. Cl.
CPC ...
G01R 31/2628 (2013.01); G01R 31/2621 (2013.01); H01L 27/088 (2013.01);
Abstract
A semiconductor device includes a change detection circuit and a change determination circuit. The change detection circuit generates a detection voltage having a voltage level varied in accordance with a change of a transistor. The change determination circuit enables a determination signals based on the voltage level of the detection voltage.