Memory controller and operating method thereof

Described herein are a memory controller and an operating method thereof. In a memory controller configured to control a memory device including a plurality of memory blocks, the memory controller comprising: a memory interface configured to exchange data with the memory device; and a pre-program controller configured to perform a read operation on a last page of a program sequence for a pluralityof pages in an erase target memory block when the memory device is in an idle state, and perform a pre-program operation on the erase target memory block according to the result obtained by performing the read operation, wherein the erase target memory block is a memory block on which an erase operation is to be performed among the plurality of memory blocks, and wherein the erase operation on the erase target memory block is performed after the pre-program operation is performed. 本文描述了存储器控制器及其操作方法。在被配置为控制包括多个存储器块的存储器装置的存储器控制器中，存储器控制器包括：存储器接口，其被配置为与存储器装置交换数据；预编程控制器，其被配置为当存储器装置处于空闲状态时对擦除目标存储器块中的多个页的编程序列的最后页执行读取操作，并且根据