Memory system and control method
US11762580B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2022 |
| Grant date | Sep 19, 2023 |
| Priority date | — |
| Expiry date | Mar 22, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/7203
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A controller manages a plurality of block groups each including one or more blocks among a plurality of blocks provided in a non-volatile memory. The controller assigns one of the plurality of block groups to each of plurality of zones. The controller writes write data which is to be written to a first zone to a shared write buffer and writes write data which is to be written to a second zone to the shared write buffer. When a total size of the write data in the first zone stored in the shared write buffer reaches a capacity of the first zone, the controller copies the write data in the first zone stored in the shared write buffer to the first block group assigned to the first zone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.