NONVOLATILE MEMORY DEVICE AND STORAGE SYSTEM HAVING THE SAME, DRIVING METHOD OF THE NONVOLATILE MEMORY DEVICE

摘要

PURPOSE: A nonvolatile memory device and a storage system having the same, a driving method of the nonvolatile memory device are provided to improve the reliability of a reading operation by including a data read circuit. CONSTITUTION: In a nonvolatile memory device and a storage system having the same, a driving method of the nonvolatile memory device, a memory cell array comprises a plurality of nonvolatile memory cells. Each nonvolatile memory cell has a resistor. The resistor is one of a plurality of first resistors. . A temperature compensation circuit(17) comprises at least one reference cell(110). Each reference cell has a resistor. . The resistor is one of a plurality of second resistors A data read circuit supplies a compensating current to a sensing node. The data read circuit comprises a compensation unit and a sense amp unit The amount of compensation current is changed according to the resistance of a reference cell.