Configuration for evaluating a signal which is read from a ferroelectric storage capacitor
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United States of America Patent
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May 13, 2003
Grant Date -
Dec 5, 2002
app pub date -
Apr 22, 2002
filing date -
Oct 22, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A configuration is described for evaluating a signal that is read from a ferroelectric storage capacitor, in which, in addition to positive and negative polarization states, a weak polarization state is evaluated. Using the configuration, a data storage characteristic of the memory cells can be monitored, and a manipulation attempt can be detected.
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