Power circuits for reducing a number of power supply voltage taps required for sensing a resistive memory
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United States of America Patent
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Sep 11, 2007
Grant Date -
Nov 16, 2006
app pub date -
May 16, 2005
filing date -
May 16, 2005
priority date (Note) -
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Abstract
A resistive memory device requires a power supply having a reduced number of voltage taps and reduced power consumption. In accordance with one exemplary embodiment, one or more voltages used by a reference circuit which are normally supplied by different taps of a power supply are generated by corresponding power circuits. In accordance with a second exemplary embodiment, the power circuits are coupled to the bit lines and replace the reference circuit in a manner to improve sensing margin.
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