Storage device including a read reclaim module and a reclaim operation method thereof
US12423178B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 24, 2024 |
| Grant date | Sep 23, 2025 |
| Priority date | — |
| Expiry date | Apr 13, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C16/3431
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A storage device including: a flash memory including a selected word line and an adjacent word line adjacent to the selected word line; and a memory controller configured to provide a select read voltage to the selected word line and a pass voltage to the adjacent word line during a read operation, the pass voltage being higher than the select read voltage, and wherein the memory controller is further configured to determine whether the selected word line is a hot spot read word line based on a deterioration level of the adjacent word line, and perform a word line reclaim operation for the adjacent word line when the selected word line is the hot spot read word line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.