Patent ID: 11940932
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  Y | IPC G

Claim 0:
1. An operating method of a storage device, comprising:, receiving a setting command including a first bit corresponding to a temperature range and a second bit indicating a refresh rate corresponding to the temperature range when all banks are in an idle state;
adjusting a number of rows of a volatile memory device to be refreshed based on a refresh command of a host device according to the refresh rate during an update delay time; and
after the update delay time has elapsed, receiving a non-setting command,
wherein the refresh command is determined based on a highest temperature or a lowest temperature among temperatures of a plurality of volatile memory devices in the storage device,
wherein the plurality of volatile memory devices are classified into groups based on current temperature information, and previous temperature information corresponding to the plurality of first and second volatile memory devices.