NONVOLATILE MEMORY DEVICE EXTRACTION PARAMETER AND NONVOLATILE MEMORY SYSTEM INCLUDING THEREOF

摘要

PURPOSE: A non-volatile memory device for extracting parameters and a nonvolatile memory system including the same are provided to set properly optimized parameters by measuring a reference parameter for each plane, block and page. CONSTITUTION: A memory cell array(111) comprises a plurality of memory blocks. A control logic stores a parameter for accessing each memory block. A control logic(117) detects the change of a parameter while accessing each memory block. The control logic stores the changed parameter to a memory cell array according to the detection result. The control logic accesses at least one memory block among a plurality of memory blocks. The control logic uses the parameter saved in the memory cell array.