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:
Feb. 10, 2026
Filed:
Feb. 27, 2023
Applicant:
SK Hynix Inc., Gyeonggi-do, KR;
Inventors:
Jin Suk Oh, Gyeonggi-do, KR;
Young Jae An, Gyeonggi-do, KR;
Bok Rim Ko, Gyeonggi-do, KR;
Jae Heung Kim, Gyeonggi-do, KR;
Min Wook Oh, Gyeonggi-do, KR;
Assignee:
SK hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/317 (2006.01); G01R 31/3183 (2006.01);
U.S. Cl.
CPC ...
G01R 31/31719 (2013.01); G01R 31/31701 (2013.01); G01R 31/3183 (2013.01);
Abstract
A test mode control circuit includes an encryption circuit and a test mode generating circuit. The encryption circuit encrypts, based on an encryption code, an access code set to generate an encrypted access code set. The test mode generating circuit generates a test mode signal based on the encrypted access code set.