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:
Sep. 30, 2014
Filed:
Mar. 09, 2012
Da-wei Lai, Singapore, SG;
Ying-chang Lin, Singapore, SG;
Da-Wei Lai, Singapore, SG;
Ying-Chang Lin, Singapore, SG;
GLOBALFOUNDRIES Singapore Pte. Ltd., Singapore, SG;
Abstract
A cross-domain ESD protection scheme is disclosed. Embodiments include coupling a first power clamp to a first power rail and a first ground rail; providing a first NMOS transistor having a first source, a first drain, and a first gate; coupling the first source to a second ground rail; providing a first PMOS transistor having a second source, a second drain, and a second gate; coupling the second source to the first power rail; and providing, via the first power clamp, a signal to turn on the first NMOS transistor during an ESD event that occurs at the first power rail.