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Method for refreshing a non-volatile memory

United States Patent

November 4, 2008
View the Complete Patent at the US Patent & Trademark Office
A non-volatile memory and a method of refreshing a memory are described. The method includes allowing an external system to control refreshing operations within the memory. The memory may generate a refresh request signal and transmit the refresh request signal to the external system. When the external system finds an available time to process the refresh request, the external system acknowledges the refresh request and transmits a refresh acknowledge signal to the memory. The memory may also comprise a page register for reading and rewriting a data state back to the memory. The page register may comprise latches in lieu of supplemental non-volatile storage elements, thereby conserving real estate within the memory.
Riekels; James E. (New Hope, MN), Schlesinger; Samuel (Aventura, FL)
Honeywell International Inc. (Morristown, NJ)
11/ 619,677
January 4, 2007
GOVERNMENT RIGHTS The United States Government may have acquired certain rights in this invention pursuant to Contract No. DE-FC26-03NT41834 awarded by the Department of Energy.