Using runtime reverse engineering to optimize DRAM refresh
US10622054B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2018 |
| Grant date | Apr 14, 2020 |
| Priority date | — |
| Expiry date | Sep 5, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C2211/4061
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and a related DRAM controller for refreshing a DRAM with an external multi-row, multi-bank refresh function based on optimized command sequences involves determining, at initialization time of the DRAM, inter-operation timing parameters for the external multi-row, multi-bank refresh function, determining optimized timing parameters for row-level activation (ACT) and pre-charge (PRE) commands, and applying the optimized timing parameters for the row-level ACT and PRE commands for refreshing the DRAM with the external multi-row multi-bank refresh function. The auto-refresh function of an SDRAM is replaced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.