Semiconductor device that performs refresh operation
US8885432B2 · kind B2 · utility
2Cited by
4References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 25, 2014 |
| Grant date | Nov 11, 2014 |
| Priority date | — |
| Expiry date | Feb 25, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C11/40611
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for refreshing memory cells in a DRAM includes receiving a refresh command, receiving a refresh mode specifying signal in synchronization with the refresh command, refreshing a first quantity of memory cells when the refresh mode specifying signal has a first value, and refreshing a second quantity of memory cells, at least double the first quantity, when the refresh mode specifying signal has a second value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.