Passive contactless integrated circuit comprising a flag for monitoring an erase/programming voltage
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United States of America Patent
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Apr 2, 2013
Grant Date -
Mar 12, 2009
app pub date -
Mar 6, 2008
filing date -
Sep 6, 2005
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Abstract
A passive contactless integrated circuit includes an electrically programmable non-volatile data memory (MEM), a charge accumulation booster circuit for supplying a high voltage necessary for writing data in the memory. The integrated circuit includes a volatile memory point for memorizing an indicator flag, and circuitry for modifying the value of the indicator flag when the high voltage reaches a critical threshold for the first time after activating the booster circuit.
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