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US 2010/0169543 A1Published application
Recovery for non-volatile memory after power loss
AssigneeMicron Technology, Inc.
InventorsJoseph Edgington, Hisham Chowdhury
Life of this patent
Estimating the term…
Abstract
Non-volatile memory array can be recovered after a power loss. In one example, pages of a memory array are scanned to find a first free page after the power loss. The first free page is marked as available, and the page marked as available is written to with the next write cycle
Claims20
A method comprising:
- scanning pages of a memory array to find a first free page;
- marking the first free page as available;
- and
- writing to the page marked as available with the next write cycle.
1 more element
A power loss recovery system for a memory array comprising:
- a page scanner to scan pages of a memory array to find a first free page;
- a page marker to mark the first free page as available;
- and
- program circuitry to write to the page marked as available with the next write cycle.
1 more element
A memory device comprising:
- a memory cell array comprising a plurality of memory cells, the cells being grouped into a plurality of blocks;
- and
- a memory controller coupled to the memory cell array to scan pages of a memory array to find a first free page, mark the page prior to the first free page as invalid, mark the first free page as available, erase the page marked as invalid, and write to the page marked as available.
Dependencies are inferred from the claim text.