Hidden memory refresh
US4357686A · kind A · utility
17Cited by
4References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 24, 1980 |
| Grant date | Nov 2, 1982 |
| Priority date | — |
| Expiry date | Sep 24, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C11/406
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A memory array having a dedicated refresh flag memory (RFM) for maintaining a record of the array's addresses that are accessed during a refresh requirement interval (RRI) and means for reading the RFM during the RRI and refreshing those array addresses which weren't accessed during the operating interval of the RRI. The refresh operation being performed in a "burst" mode or in an "interleaved" mode during the RRI.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.