Abstract: Cross point memory array using distinct voltages. The invention is a cross point memory array that applies a first select voltage on one conductive array line, a second select voltage on a second conductive array line, the two conductive array lines uniquely defining a single memory plug. The magnitude of the select voltages depends upon whether a read operation or a write operation is occurring. Additionally, an unselect voltage is applied to the unselected conductive array lines. The unselect voltage can be applied before, after or during the selection process. The unselect voltage is approximately equal to the average of the first select voltage and the second select voltage.
Type:
Grant
Filed:
December 26, 2002
Date of Patent:
December 14, 2004
Assignee:
Unity Semiconductor Corporation
Inventors:
Darrell Rinerson, Steven W. Longcor, Christophe J. Chevallier, Edmond R. Ward, Wayne Kinney, Steve Kuo-Ren Hsia