A technique includes, in response to a request to write data to memory cells of a phase change memory device, placing the memory cells in a state that is shared in common among the memory cells. Also, in response to this request, the data is written to the memory cells. ...http://www.google.com/patents/US20030081451?utm_source=gb-gplus-sharePatent US20030081451 - TECHNIQUE AND APPARATUS FOR PERFORMING WRITE OPERATIONS TO A PHASE CHANGE MATERIAL MEMORY DEVICE