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:
Jun. 07, 2022

Filed:

Jun. 28, 2021
Applicant:

Cadence Design Systems, Inc., San Jose, CA (US);

Inventors:

Matthew David Eaton, Stow-cum-Quy, GB;

Ji Xu, Cambridge, GB;

George Simon Taylor, Round Rock, TX (US);

Zhuo Li, Austin, TX (US);

Assignee:

Cadence Design Systems, Ine., San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 30/396 (2020.01); G06F 30/3308 (2020.01); G06F 30/3312 (2020.01); G06F 30/3323 (2020.01); G06F 30/367 (2020.01); G06F 30/398 (2020.01);
U.S. Cl.
CPC ...
G06F 30/396 (2020.01); G06F 30/3308 (2020.01); G06F 30/3312 (2020.01); G06F 30/3323 (2020.01); G06F 30/367 (2020.01); G06F 30/398 (2020.01);
Abstract

Various embodiments provide for determining clock gates for decloning based on simulation and a satisfiability solver, which can be part of electronic design automation (EDA). In particular, some embodiments use a simulation process to quickly determine whether enable signals associated with two clock gates are logically equivalent using a random input vector to a circuit design and, if logically equivalent by the simulation process, use a satisfiability solver to determine a variable assignment (e.g., at least one vector) such that the enable signals are found to be non-equivalent.


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