Patent · US Expired

Special engineering change order cells

US7634748B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

LSI · US

Inventors

Juergen Dirks · Holzkirchen, DE
Matthias Dinter · Holzkirchen, DE
Johann Leyrer · Munich, DE

Key dates

Filing date	Jul 22, 2004
Grant date	Dec 15, 2009
Priority date	—
Expiry date	Jul 23, 2025

Classification

Technology area (CPC G)Physics
CPC primaryG06F30/30
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A method for correcting a plurality of violations in a circuit design and new cells used in the method are disclosed. The method generally includes the steps of (A) implementing a first engineering change order in the circuit design to correct a first of the violations, (B) implementing a second engineering change order with a special cell to correct a second of the violations, the special cell having a plurality of interfaces available for a signal path associated with the second violation, each of the interfaces having a characteristic appropriate to correct the second violation, each of the characteristics having a different performance and (C) routing the signal path to one of the interfaces to fix the second violation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.