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:
Jun. 21, 2016
Filed:
May. 31, 2013
Applicant:
Altera Corporation, San Jose, CA (US);
Inventors:
Cheng-Hsiung Huang, Cupertino, CA (US);
Kyle Bowers, Morgan Hill, CA (US);
Assignee:
Altera Corporation, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 9/00 (2006.01); H01L 27/02 (2006.01);
U.S. Cl.
CPC ...
H01L 27/0248 (2013.01);
Abstract
An electrostatic discharge (ESD) protection circuit includes an electrostatic discharge bus, first and second resistors coupled in series, first and second capacitors coupled in series, and first and second transistors. The first resistor is coupled to the electrostatic discharge bus. The first capacitor is coupled to the second resistor. The first transistor has a control input that is coupled between the first and the second resistors. The second transistor has a control input that is coupled between the first and the second capacitors.