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:
Oct. 20, 1998
Filed:
Jun. 16, 1997
Timothy V Statz, Minneapolis, MN (US);
Dongwook Drew Suh, Freemont, CA (US);
Kevin Spielberger, Eden Prairie, MN (US);
LSI Logic Corporation, Milpitas, CA (US);
Abstract
An electrostatic discharge (ESD) protection circuit includes first and second supply terminals, a current source, a shunt transistor, an inverter and a voltage level shifting device. The shunt transistor is coupled between the first and second supply terminals and has a control terminal. The inverter includes an input coupled to the current source, an output coupled to the control terminal of the shunt transistor and pull-up and pull-down transistors coupled between the first and second supply terminals. The pull-up and pull-down transistors have control terminals which are coupled to the input. The voltage level shifting device is coupled between the input and the control terminal of one of the pull-up and pull-down transistors.