Power grid wiring for semiconductor devices having voltage islands
US6538314B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2002 |
| Grant date | Mar 25, 2003 |
| Priority date | — |
| Expiry date | Mar 29, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/14
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A semiconductor device comprising: a global power bus having a first portion for supplying power to a first set of circuits and a second portion for supplying power to a second set of circuits; a local power bus for supplying alternative power to the second set of circuits; and wherein the total of the width of the second portion of the global power bus and of the width of the local power bus does not exceed the width of the first portion of the global power bus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.