Skhynix Inc.

Kwang Jong Song

Dae Geun Jee

A data storage device includes a nonvolatile memory device including a main map table, the main map table including a plurality of map segments; and a controller comprising a sub map table including only some of the plurality of map segments of the main map table, the controller is suitable for updating access frequencies for the respective map segments of the main map table; and for determining whether to erase a map segment of the sub map table based on the updated access frequencies for the respective map segments.

Data storage device and operating method thereof

A semiconductor device includes a buffer memory, a plurality of function blocks, each of which transmits to a request of access to the buffer memory, and accesses the buffer memory according to a response to the request of access; and a buffer management unit suitable for receiving the request of access, and transmitting the response to the request of access according to a status of the buffer memory, wherein the buffer management unit and each of the plurality of function blocks may communicate through a dedicated channel.

Growing community of inventors

Gyeonggi-do, South Korea

Kwang Jong Song