Homotopy Optimized Parasitic Extraction
AssigneeMentor Graphics Corporation
InventorSandeep Koranne
Life of this patent
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Abstract
Aspects of the disclosed technology relate to techniques of parasitic extraction. A signature for a set of geometric elements of a layout design is computed based on contour-related information. The set of geometric elements corresponds to a net of connected equipotential interconnects of a circuit design. Based on comparing the signature with signatures for sets of geometric elements that have computed parasitic element values, parasitic element values for the set of geometric elements are determined.
Claims20
One or more computer-readable media storing computer-executable instructions for causing one or more processors to perform a method, the method comprising:
- computing a signature for a set of geometric elements of a layout design based on contour-related information, the set of geometric elements corresponding to a net of connected equipotential interconnects of a circuit design;
- and
- determining parasitic element values for the set of geometric elements based on comparing the signature with signatures for sets of computed geometric elements, the sets of computed geometric elements having computed parasitic element values.
A method, executed by at least one processor of a computer, comprising:
- computing a signature for a set of geometric elements of a layout design based on contour-related information, the set of geometric elements corresponding to a net of connected equipotential interconnects of a circuit design;
- and
- determining parasitic element values for the set of geometric elements based on comparing the signature with signatures for sets of computed geometric elements, the sets of computed geometric elements having computed parasitic element values.
A system comprising:
- one or more processors, the one or more processors programmed to perform a method, the method comprising:
- computing a signature for a set of geometric elements of a layout design based on contour-related information, the set of geometric elements corresponding to a net of connected equipotential interconnects of a circuit design;
- and
- determining parasitic element values for the set of geometric elements based on comparing the signature with signatures for sets of computed geometric elements, the sets of computed geometric elements having computed parasitic element values.
Dependencies are inferred from the claim text.