METHOD AND APPARATUS FOR ROUTING WITH INDEPENDENT GOALS ON DIFFERENT LAYERS
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Abstract
Some embodiments of the invention provide a method of routing. The method selects a net with a set of routable elements in a multi-layer layout region. In some embodiments, the method identifies a route for the net based on different congestion goals on different layers. In other embodiments, the method identifies a route for the net based on different congestion goals between different layer pairs. In some embodiments, the method identifies a route for the net based on both the different congestion goals on different layers and between different layer pairs.
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Citations
15 Claims
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1-8. -8. (canceled)
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9. A method of routing comprising:
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a) selecting a net with a set of routable elements in a multi-layer layout region; b) identifying a route for the net based on different congestion goals between different layers. - View Dependent Claims (10, 11, 12, 13, 14)
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15. (canceled)
Specification