MEMORY DEVICE, METHOD FOR OPERATING THE SAME, AND APPARATUS INCLUDING THE SAME

摘要

PURPOSE: A memory device, an operation method thereof, and an apparatus which comprises the memory device are provided to perform a refresh operation for a plurality of low per bank, thereby increasing the average time between the refresh commands. CONSTITUTION: In response to a mode register writing command, one of a plurality of bank is masked (S10). In response to a first per bank refresh command, a refresh operation is performed for a plurality of row which is included in one of the bank that is not masked (S20). [Reference numerals] (S10) Mask at least one out of multiple banks in response to a mode register writing order; (S20) Refresh the multiple rows included by the banks not being masked in response to a first bank refresh order