Power rail layout for dense standard cell library
US9026977B2 · kind B2 · utility
14Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2013 |
| Grant date | May 5, 2015 |
| Priority date | — |
| Expiry date | Oct 24, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2119/06
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method includes electrically connecting a plurality of cells of a standard cell library to a power rail. A contact area is deposited to connect a first active area and a second active area of a cell of a plurality cells. The first area and the second area are located on opposite sides of the rail and electrically connected to different drains. The contact area is electrically connected to the power rail using a via. The contact area is masked to remove a portion of the contact area to electrically separate the first active are from the second active area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.