Programmable analog-to-digital converter with programmable non-volatile memory cells
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United States of America Patent
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Jan 1, 2002
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N/A
app pub date -
Oct 8, 1999
filing date -
Oct 8, 1999
priority date (Note) -
Expired
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Abstract
A flash analog-to-digital converter having a plurality of inverter circuits each comprising a programmable non-volatile memory cell and a load. The voltage values to be compared with the input voltage are threshold voltages individually programmable and stored on the plurality of memory cells. A comparison with the input voltage is performed by each of the memory cells, which are turned off to generate the value of logic '1' at an output when the input voltage is lower than the threshold voltage, and are turned on to generate the value of logic '0' at an output when the input voltage is greater than the threshold voltage.
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