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. 27, 2022
Filed:
Feb. 01, 2021
Applicant:
Macronix International Co., Ltd., Hsinchu, TW;
Inventors:
Assignee:
MACRONIX INTERNATIONAL CO., LTD., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 9/04 (2006.01); H03K 17/082 (2006.01);
U.S. Cl.
CPC ...
H02H 9/046 (2013.01); H03K 17/0826 (2013.01);
Abstract
An input output circuit and an electrostatic discharge (ESD) protection circuit are provided. The ESD protection circuit is adapted to a charged-device model (CDM). The ESD protection circuit includes a bipolar junction transistor (BJT). The BJT has a first end coupled to an input end of an input buffer and an output end of an output buffer. A second end of the BJT is coupled to a first ground rail. A control end of the BJT is coupled to one of a first power rail, a second power rail, the first ground rail and a second ground rail.