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:
Apr. 28, 2020

Filed:

Jan. 31, 2018
Applicant:

Mentor Graphics Corporation, Wilsonville, OR (US);

Inventors:

Sulabh Kumar Khare, Noida, IN;

Ashish Hari, Noida, IN;

Assignee:

Mentor Graphics Corporation, Wilsonville, OR (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/50 (2006.01);
U.S. Cl.
CPC ...
G06F 17/5031 (2013.01); G06F 17/504 (2013.01); G06F 2217/02 (2013.01); G06F 2217/84 (2013.01);
Abstract

This application discloses a computing system to perform one or more static checks on clock domain crossings in a circuit design to detect combinational logic configured to generate output signals having glitches that cross clock domains in a circuit design. The computing system can identify the combinational logic is configured to generate the output signal based, at least in part, on an input signal and an inversion of the input signal. The computing system can identify conditions that, when satisfied, allow the combinational logic to generate the output signal based, at least in part, on the input signal and the inversion of the input signal, and generate a glitch expression based, at least in part, on the identified conditions. The computing system can determine the combinational logic is configured to generate at least one glitch in the output signal based, at least in part, on the glitch expression.


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Khare, Sulabh. (2020). Glitch detection at clock domain crossing (U.S. Patent No. 10635767). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10635767

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