Non-volatile semiconductor memory device having non-volatile memory array
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United States of America Patent
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May 26, 2015
Grant Date -
Sep 25, 2014
app pub date -
Sep 6, 2013
filing date -
Mar 21, 2013
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Abstract
According to one embodiment, a non-volatile semiconductor memory device which is provided with a memory cell array, bit lines, word lines, and a sense amplifier circuit is presented. The memory cell array includes memory cells. The bit lines are electrically connected to the memory cells. The word lines are electrically connected to gates of the non-volatile memory cells. The sense amplifier circuit includes sense amplifiers which are electrically connected to the bit lines. Each of the sense amplifiers includes a latch circuit which is capable of holding data, and a detection circuit. The sense amplifiers are configured to apply any one of a first voltage and a second voltage higher than the first voltage to the bit lines respectively. The sense amplifiers apply any one of the first voltage and the second voltage s a third voltage to the bit lines, and apply the third voltage to the detection circuit.
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