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.

Date of Patent:
Oct. 15, 2013

Filed:

Mar. 22, 2012
Applicants:

Timothy J. Williams, Bellevue, WA (US);

David G. Wright, San Diego, CA (US);

Gregory J. Verge, Lynnwood, WA (US);

Bruce E. Byrkett, Preston, WA (US);

Inventors:

Timothy J. Williams, Bellevue, WA (US);

David G. Wright, San Diego, CA (US);

Gregory J. Verge, Lynnwood, WA (US);

Bruce E. Byrkett, Preston, WA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 19/094 (2006.01);
U.S. Cl.
CPC ...
Abstract

A programmable input/output circuit includes a programmable output circuit configured to drive an output signal to an input/output pad at a plurality of voltages, at least one of the plurality of voltages being supplied by an external circuit. The programmable input/output circuit further includes a programmable input configured to detect an input signal from the input/output pad at the plurality of voltages. The voltage levels of the input and output circuits may be independently and dynamically controllable.


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