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US 2021/0064524 A1Published application
Memory system
AssigneeKioxia Corporation
InventorsKeiri NAKANISHI, Konosuke WATANABE, Kohei OIKAWA, Daisuke IWAI
Life of this patent
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Abstract
A memory system includes a first memory that is nonvolatile, a second memory that is volatile, and a memory controller. The memory controller is configured to store first information in the second memory. The first information includes management information. The memory controller is further configured to compress the first information. The compressed first information is second information. The memory controller is configured to store the second information in the first memory.
Claims15
A memory system, comprising:
- a first memory that is nonvolatile;
- a second memory that is volatile;
- and
- a memory controller configured to:
- store first information, the first information including management information, in the second memory;
- compress the first information, the compressed first information being second information;
- and
- store the second information in the first memory.
5 more elements
A method, comprising:
- storing first information, which includes a table of a correspondence relationship between a physical address indicating a position in a nonvolatile memory and a logical address designated by a host, in a volatile memory;
- compressing the first information using a compressor;
- and
- storing second information that is the compressed first information in the nonvolatile memory.
1 more element
Dependencies are inferred from the claim text.