Circuit for selecting row to be refreshed
US10475503B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 21, 2018 |
| Grant date | Nov 12, 2019 |
| Priority date | — |
| Expiry date | May 21, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C13/0033
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A circuit for selecting a row of memory cells of a memory device to be refreshed may include: a cold table suitable for storing as a cold row a row selected as a hammered row when the row selected as the hammered row is neither one of cold rows stored in the cold table nor one of hot rows stored in a hot table; and the hot table suitable for storing, as a hot row, the row selected as the hammered row when the row selected as the hammered row is one of the cold rows stored in the cold table.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.