Patent · US Active

Method for wear leveling in a nonvolatile memory

US9081671B2 · kind B2 · utility

3Cited by
8References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 10, 2014
Grant dateJul 14, 2015
Priority date
Expiry dateJun 10, 2034

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F2212/7211
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method for writing and reading data memory cells, comprising: defining in a first memory zone erasable data pages and programmable data blocks; and, in response to write commands of data, writing data in erased blocks of the first memory zone, and writing, in a second memory zone, metadata structures associated with data pages and comprising, for each data page, a wear counter containing a value representative of the number of times that the page has been erased.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.