Nonvolatile semiconductor memory device and usage method thereof
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United States of America Patent
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Aug 16, 2011
Grant Date -
Oct 1, 2009
app pub date -
Mar 9, 2009
filing date -
Mar 27, 2008
priority date (Note) -
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Abstract
A nonvolatile semiconductor memory device includes a first PMOS transistor and a second PMOS transistor having a gate, the first and the second PMOS transistors being connected in series; and a first NMOS transistor and a second NMOS transistor having a gate, the first and the second NMOS transistors being connected in series; wherein the gate of the second PMOS transistor and the gate of the second NMOS transistor are commonly connected and floated.
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