Patent ID: 11868618
Assignee: KIOXIA CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 12:
13. A method for a memory system capable of communicating with a host device including a first semiconductor memory, the memory system including a second semiconductor memory and a third semiconductor memory, the method comprising:
storing first address conversion information and data into the second semiconductor memory in a nonvolatile manner;
storing second address conversion information into the third semiconductor memory, the second address conversion information being part of the first address conversion information;
accessing the second semiconductor memory by referring to the second address conversion information in the third semiconductor memory;
storing third address conversion information into the first semiconductor memory, the third address conversion information being part of or all of the first address conversion information; and
accessing the second semiconductor memory by referring to the third address conversion information in the first semiconductor memory in a case where address conversion information to be referred is not stored in the second address conversion information.