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:
Mar. 20, 2001
Filed:
May. 20, 1998
Guy S. Yuen, San Jose, CA (US);
Chinh D. Nguyen, San Jose, CA (US);
Programmable Microelectronics Corp., San Jose, CA (US);
Abstract
A switching circuit includes a switch having first and second terminals coupled between a voltage supply and ground potential and having a control terminal coupled to receive a control signal indicative of the output voltage of an associated semiconductor circuit. The switch also includes an output terminal coupled to the well region within which is formed the associated semiconductor circuit. In preferred embodiments, the control signal transitions from a first state to a second state when the output voltage exceeds a predetermined potential. In response thereto, the switching circuit changes the well potential of the associated semiconductor circuit from a first voltage to ground potential, wherein the first voltage is greater than ground potential.