Priority encoded spare element decoder
US4639897A · kind A · utility
17Cited by
0References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 31, 1983 |
| Grant date | Jan 27, 1987 |
| Priority date | — |
| Expiry date | Aug 31, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C29/838
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A fault tolerant memory system includes redundant rows which may be permanently substituted for defective rows according to priority. The system also includes means for substituting a redundant row for a defective redundant row previously connected in circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.