Memory controller and operating method thereof

Abstract

A memory controller that controls a memory device including a plurality of memory blocks allocated to a plurality of zones for storing data is provided. The memory controller comprises a plurality of processing cores controlling data operations in the plurality of zones in the memory device; and an external interface unit in communication with an external device and configured to receive, from the external device, a write request requesting to perform a write operation on a first zone in the memory device, the external interface unit configured to identify a first processing core for controlling the first zone and determine a second core to perform the write operation based on a number of open zones controlled by the first core and having an open state indicating a capability to execute a program operation.