Patent ID: 6948145
Filing Date: 2005-09-20
Classification: G06F,H01L

Abstract:
1. A method of defining a cell to a routing tool, comprising: providing a cell abstract comprising design parameters describing the cell to a placement and wiring tool, the design parameters including nets; modifying a designation representing a strength of connection between potential pin placements along each of the nets to a first strength designation for each of the nets, wherein the first strength designation corresponds to a connection established through a low resistive element; determining at least two potential pin placements along each of at least some of the nets; determining whether a pair of potential pin placements on the same net is established through a high resistive element; if so, modifying the designation to a second strength designation, wherein the second strength designation corresponds to a connection established through a high resistive element; and storing an attribute for the pair of potential pin placements in a database as associated with the cell based on the designation.