Threshold voltage distribution determination
US9607692B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2015 |
| Grant date | Mar 28, 2017 |
| Priority date | — |
| Expiry date | Sep 29, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C2029/0409
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Apparatuses and methods for threshold voltage (Vt) distribution determination are described. A number of apparatuses can include sense circuitry configured to determine a first current on a source line of an array of memory cells, the first current corresponding to a first quantity of memory cells of a group of memory cells that conducts in response to a first sensing voltage applied to an access line and determine a second current on the source line, the second current corresponding to a second quantity of memory cells of the group that conducts in response to a second sensing voltage applied to the access line. The number of apparatuses can include a controller configured to determine at least a portion of a Vt distribution corresponding to the group of memory cells based, at least in part, on the first current and the second current.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.