MEMORY SYSTEM AND OPERATION METHOD THEREOF

摘要

A memory system may include a nonvolatile memory device including a plurality of blocks each including a plurality of pages, and a controller that selects a mapping block from the plurality of blocks, stores address information corresponding to each of other blocks, except for the mapping block and a free block among the plurality of blocks, in each of the plurality of pages, searches for a block including no valid page among the other blocks, and invalidates a page of the mapping block storing the address information corresponding to the searched block.

主权项

1. A memory system comprising:
a nonvolatile memory device including a plurality of blocks, each including a plurality of pages; and a controller suitable for: selecting a mapping block and normal blocks from the plurality of blocks; storing a plurality of address information corresponding to each of the normal blocks in each of the plurality of pages in the mapping block; and invalidating a page of the mapping block having an address information corresponding to a block which does not include valid pages among the normal blocks.