IP & T Group LLP
Controller, memory system and operating method thereof
In accordance with an embodiment of the present disclosure, an operating method of a controller for controlling a nonvolatile memory device may include: generating pre-read information based on a first read request, reading out 1st sub-chunks respectively included in a plurality of data chunks from the nonvolatile memory device, and providing a host with the read 1st sub-chunks, wherein the first read request includes respective addresses of the 1st sub-chunks; starting, after the 1st sub-chunks are provided to the host, a pre-read operation of reading out 2nd sub-chunks respectively included in the plurality of data chunks from the nonvolatile memory device based on the pre-read information and storing the read 2nd sub-chunks into a memory in the controller; and providing, after the pre-read operation is started, the host with the 2nd sub-chunks stored in the memory in response to a second read request received from the host.
SK hynix Inc.
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Seok Jun
Lee