Patent ID: 11886747
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 13:
14. A storage device comprising:
a memory device including a plurality of memory regions having different respective bit-densities; and
a controller configured to
receive a write command, data, and a latest received logical address from a host,
determine hotness of the latest received logical address, based on a number of times of which logical addresses having values, equal to a value of the latest received logical address are received, and weights of the received logical addresses, and
store the data in any one of the plurality of memory regions, based on the hotness of the latest received logical address,

wherein the controller is further configured to determine a repeatability index based on a workload pattern of the host, and upwardly adjust the weights of the received logical addresses based on the repeatability index.