Method of reducing crosstalk induced noise in circuitry designs

Details Method of reducing crosstalk induced noise in circuitry designs Method of reducing crosstalk induced noise in circuitry designs

2011-05-17

2011-05-17

Dinh, Paul (Department: 2825)

Computer-aided design and analysis of circuits and semiconductor

Integrated circuit design processing

Logic design processing

C716S115000, C716S136000, C716S137000

Reexamination Certificate

active

07945881

ABSTRACT:
A method of reducing crosstalk induced noise in a physical circuit wiring design constructs a spatial vector for each interconnect wire segment in the physical circuit wiring design. The method compares the spatial vectors of said physical circuit wiring design and identifies any of the spatial vectors that are parallel to each other and have opposite directions. The method may identify all drivers and receivers in the physical circuit wiring design, and trace each interconnect line, starting with its driver, to determine a routed length from the driver to each segment break point of the interconnect line. The method may construct the spatial vector by defining an origin in the physical circuit wiring design. The method determines a starting point and an ending point of the spatial vector with respect to the origin. The starting point of the spatial vector is the break point of the interconnect wire segment closer to the driver. The ending point of the spatial vector is the break point of the interconnect wire segment farther from the driver. The method may define a Cartesian coordinate system with respect to the origin. The Cartesian coordinate system may be orthogonal with the interconnect wire segments of the physical circuit wiring design. The method may define one or more geometry windows in the physical circuit wiring design and compare the spatial vectors in each geometry window.

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