Patent · US Expired

Power grid wiring for semiconductor devices having voltage islands

US6538314B1 · kind B1 · utility

11Cited by
3References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 29, 2002
Grant dateMar 25, 2003
Priority date
Expiry dateMar 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.