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:
Jan. 20, 2009
Filed:
Aug. 11, 2006
Victor A. Acuña, Rochester, MN (US);
Robert L. Kanzelman, Rochester, MN (US);
Scott H. Mack, Rochester, MN (US);
Brian C. Wilson, Rochester, MN (US);
Victor A. Acuña, Rochester, MN (US);
Robert L. Kanzelman, Rochester, MN (US);
Scott H. Mack, Rochester, MN (US);
Brian C. Wilson, Rochester, MN (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
In a first aspect, a first method of designing a circuit is provided. The first method includes the steps of (1) providing a model of an original circuit design including a latch; (2) providing a model of a modified version of the original circuit design, wherein the modified version of the original circuit design includes a set of latches associated with the latch of the original circuit design and voting logic having inputs coupled to respective outputs of latches in the latch set; and (3) during Boolean equivalency checking (BEC), injecting an error on at most a largest minority of the inputs of the voting logic to test the voting logic function.