Memory system and method for controlling memory system
US11158376B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 20, 2020 |
| Grant date | Oct 26, 2021 |
| Priority date | — |
| Expiry date | Jul 20, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C16/0483
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
According to one embodiment, a memory system includes a memory device and a controller. The controller is configured to instruct to apply, to a first word line, a determination voltage that is based on a first value and a first difference value in a case where it is determined whether or not a first data value has been written in a first memory cell, to instruct to apply, to a second word line, a determination voltage that is based on the first value, the first difference value, and a second difference value in a case where it is determined whether or not the first data value has been written in the second memory cell, and to change the first difference value in a case where a first condition is satisfied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.