Shared volatile and non-volatile memory

Details Shared volatile and non-volatile memory Shared volatile and non-volatile memory

2005-05-17

2005-05-17

Ho, Hoai (Department: 2818)

Static information storage and retrieval

Systems using particular element

Capacitors

C365S158000, C365S189040

Reexamination Certificate

active

06894918

ABSTRACT:
The invention includes an apparatus and a method that provides a memory back-up system. The memory back-up system includes a first memory cell, and a non-volatile memory cell that is interfaced to the first memory cell. Control circuitry allows data to be written to either the first memory cell or the non-volatile memory cell, and provides transfer of the data from either the first memory cell or the non-volatile memory cell, to the other of either the first memory cell or the non-volatile memory cell. The memory back-up system can also include a plurality of first memory cells, and a plurality of non-volatile memory cells that are interfaced to the first memory cells. Control circuitry allows data to be written to either the first memory cells or the non-volatile memory cells, and that provides transfer of the data from either the first memory cells or the non-volatile memory cells, to the other of either the first memory cells or the non-volatile memory cells.

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