FLASH MEMORY SYSTEM SCANNING BAD BLOCK FAST AND BAD BOLCK MANAGING METHOD THEREOF

摘要

A memory system according to the present invention includes a flash memory device having a first address section and a second address section, and configured to exchange a block address of a bad block belonging to the first address section with a block address of the second address section; And a memory controller configured to control the flash memory device to retrieve bad block information of memory blocks belonging to the second address period and to output the selected bad block information. Through the above configurations, the flash memory system of the present invention can retrieve the bad block address at high speed.