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:
Nov. 05, 2002
Filed:
Dec. 29, 1999
Sarah E. Bates, Palo Alto, CA (US);
R. Tim Frodsham, Portland, OR (US);
Nasser A. Kurd, Hillsboro, OR (US);
Anne Meixner, Portland, OR (US);
David J. O'Brien, Portland, OR (US);
Rajay R. Pai, Beaverton, OR (US);
Mike Tripp, Forest Grove, OR (US);
Jeff Wight, Beaverton, OR (US);
Intel Corporation, Santa Clara, CA (US);
Abstract
In one embodiment, an integrated circuit including a plurality of input/output (I/O) buffers is disclosed. The integrated circuit contains a plurality of I/O buffers. Each of the I/O buffers include an I/O test circuit that generates test pattern signals whenever the integrated circuit is operating in a loopback test mode. According to a further embodiment, the integrated circuit includes one or more programmable delay circuits coupled to the I/O buffers that permit switching state (AC) loopback timing tests to be conducted.