MEMORY DEVICE FOR EFFECTIVELY PERFORMING READ OPERATION, AND OPERATION METHOD THEREOF

A memory device may include: a plurality of planes, each suitable for inputting/outputting data in units of pages, a latch suitable for performing a read operation on one or more planes of the plurality of planes in response to one or more read commands, receiving data from any one plane, among the plurality of planes, and storing the received data, and a logic controller suitable for comparing first plane information, corresponding to the data that is stored in the latch, to second plane information, corresponding to an output command that is received after the read command is received, in response to the output command, and suitable for selectively outputting the data of the latch.