Patent · US Active

Memory system based on flash memory and method for managing meta data thereof

US12380021B2 · kind B2 · utility

0Cited by
9References
20Claims
0Family size

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Key dates

Filing dateJun 9, 2023
Grant dateAug 5, 2025
Priority date
Expiry dateJun 9, 2043

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F2212/7209
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A memory system which includes a flash memory including a meta block and a data block, and a memory controller including a meta data managing module managing meta data to be stored in the meta block. The meta block includes a plurality of pages. The meta data managing module compares a number of free pages of the plurality of pages with a preset number of free pages, and selects a write target page of the meta data by using one of a consecution meta write operation or a dirty meta write operation, depending on a result of the comparison.

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