Single metal programmability in a customizable integrated circuit device
US6459136B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2000 |
| Grant date | Oct 1, 2002 |
| Priority date | — |
| Expiry date | Nov 29, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/0002
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A customizable integrated circuit including a plurality of electrically conducting routing layers formed on a substrate for interconnecting a plurality of logic units formed on the substrate, including a first routing layer including a plurality of elongate conductors extending generally in a given direction, a second routing layer including a plurality of transversely extending conductors, each adapted for interconnecting a termination of one of the plurality of elongate conductors to a beginning of another one of the plurality of elongate conductors; and at least a third routing layer including a plurality of local routing conductors, a plurality of customizable connections, preferably arranged generally in at least one row, between pairs of the plurality of elongate conductors via individual ones of the plurality of transversely extending conductors and, preferably, customizable connections between individual ones of the plurality of elongate conductors and a plurality of individual ones of the local routing conductors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.