Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yi-Chou Chen0
Chieh Fang Chen0
Date of Patent
January 27, 2009
0Patent Application Number
117778480
Date Filed
July 13, 2007
0Patent Primary Examiner
Patent abstract
Nonvolatile memory cells with programmable resistive memory elements, such as chalcogenide material elements, undergo a refresh operation. A refresh operation includes a hot signal and a cold signal, where the hot signal has higher power than a reset signal, and a cold signal has a longer duration than a set signal.
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