Phase change random access memory apparatus and write controlling method therefor
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PURPOSE: A phase change random access memory apparatus and a write controlling method thereof are provided to reduce a program run time by independently performing the state change in set and reset . CONSTITUTION: In a phase change random access memory apparatus and a write controlling method thereof, a write controller(110) responds to the command inputted from the outside. The write controller generates first and second writ pulses. A write driver(120) responds to the first and second write pulses. The write driver writes data in a predetermined phase change memory cell.