Tunnel device level shift circuit
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United States of America Patent
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Jul 5, 2005
Grant Date -
Jul 29, 2004
app pub date -
Jan 28, 2003
filing date -
Jan 28, 2003
priority date (Note) -
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Abstract
A floating gate circuit has a level shift circuit. The floating gate circuit includes: a floating gate; a first and second tunnel device formed respectively between a first and second tunnel electrode; a first circuit coupled to the floating gate for generating an output voltage at an output terminal; a level shift circuit having a third tunnel device coupled between the output terminal and the first tunnel electrode; and a second circuit for causing a first current to flow through the first and second tunnel devices and for causing a second current to flow through the third tunnel device. The floating gate circuit then settles to a steady state condition during the set mode such that the first and second currents are approximately equal and the floating gate voltage and the output voltage are approximately equal.
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