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:
Aug. 22, 2023
Filed:
May. 26, 2021
Applicant:
SK Hynix Inc., Gyeonggi-do, KR;
Inventors:
Hyun Soo Lee, Gyeonggi-do, KR;
Sun Young Jung, Gyeonggi-do, KR;
Assignee:
SK hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/10 (2006.01); G11C 16/30 (2006.01); G11C 16/08 (2006.01);
U.S. Cl.
CPC ...
G11C 16/30 (2013.01); G11C 16/08 (2013.01);
Abstract
A high voltage switch circuit and a semiconductor memory device having the same are provided. The high voltage switch circuit includes a switching circuit for outputting a high voltage by transmitting one of a plurality of pump voltages to an output node; and a discharge circuit connected between the output node and a terminal of an internal power voltage, the discharge circuit discharging the high voltage to a level of the internal power voltage. The discharge circuit includes a triple well transistor.