Method and apparatus for non-destructive access of volatile and non-volatile data in a shadow memory array
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United States of America Patent
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Dec 29, 1987
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N/A
app pub date -
Mar 29, 1985
filing date -
Mar 29, 1985
priority date (Note) -
Expired
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Abstract
Circuitry, including a non-volatile dynamic random access memory cell, a sense amplifier and a data latch affords non-destructive accessing and comparison of the data stored within the volatile and non-volatile portion of the memory cell. In certain applications, it is desirable to restore the volatile data to the volatile portion of the memory cell, and the circuitry also provides a path for such restoration.
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