Mode switching for a memory system with diagnostic scan
US5255381A · kind A · utility
3Cited by
12References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 1990 |
| Grant date | Oct 19, 1993 |
| Priority date | — |
| Expiry date | Sep 14, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/2736
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus for immunizing dynamic random access memory (DRAM) modules in the data processing system against data loss from transitions that occur with memory mode switching during the scan operation and permitting normal operations to be performed on the memory modules regardless of the state of the system clocks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.