Level shifter device with write assistance and method thereof
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United States of America Patent
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Mar 16, 2010
Grant Date -
Apr 30, 2009
app pub date -
Oct 26, 2007
filing date -
Oct 26, 2007
priority date (Note) -
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Abstract
A first transistor of a level shifter provides conductivity between a reference voltage and a node of the level shifter to hold a state of the level shifter output. When an input signal of the level shifter switches, additional transistors assist in reducing the conductivity of the first transistor. This enhances the ability of the level shifter to change the state of the output in response to the change in the input signal, thereby improving the writeability of the level shifter.
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