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. 07, 2021
Filed:
Jan. 25, 2019
SK Hynix Inc., Icheon-si Gyeonggi-do, KR;
Chang Hwi Lee, Seoul, KR;
Jin Woo Kim, Icheon-si Gyeonggi-do, KR;
Hyun Duck Lee, Suwon-si Gyeonggi-do, KR;
Seung Yeop Lee, Icheon-si Gyeonggi-do, KR;
Ju Hyeong Lee, Icheon-si Gyeonggi-do, KR;
SK hynix Inc., Icheon-si, KR;
Abstract
A semiconductor integrated circuit device may include a pad, a first voltage protection circuit and a second voltage protection circuit. The first voltage protection circuit may be connected with the pad. The second voltage protecting circuit may be connected between the first voltage protection circuit and a ground terminal. The first voltage protection circuit may include a gate positive p-channel metal oxide semiconductor (GPPMOS) transistor. The second voltage protection circuit may include serially connected GPPMOS transistors.