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. 30, 2003
Filed:
Jul. 26, 2002
Applicant:
Inventors:
Khusrow Kiani, Oakland, CA (US);
Elroy M. Lucero, San Jose, CA (US);
Assignee:
National Semiconductor Corporation, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 5/08 ;
U.S. Cl.
CPC ...
H03K 5/08 ;
Abstract
In a receiver input back-drive protection circuit and method, a pass gate is provided between the high pad voltage and the receiver input and a clamping circuit is provided, to present a reduced voltage to the receiver input during stress mode.