Method and apparatus for performing diagnosis scanning of a memory unit regardless of the state of the system clock and without affecting the store data
US5313623A · kind A · utility
2Cited by
19References
27Claims
0Family size
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Key dates
| Filing date | Jul 3, 1990 |
| Grant date | May 17, 1994 |
| Priority date | — |
| Expiry date | Jul 3, 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.