Automatically routing nets according to current density rules
US8171447B1 · kind B1 · utility
4Cited by
70References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2009 |
| Grant date | May 1, 2012 |
| Priority date | — |
| Expiry date | Nov 7, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F30/394
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A technique will automatically route interconnect of an integrated circuit while taking into consideration current density rules. In an implementation, the technique uses a shape-based approach where a grid is not used. Based on data input including current density and a frequency of each net, the technique will determine the current requirements for each net. In an implementation, the technique forms a Steiner tree for a net, and routs using the Steiner tree. The technique widens nets having greater current requirements; adjacent wiring may be pushed aside to create sufficient space for wider nets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.