| 摘要 |
The disclosure is a non-volatile semiconductor memory device including a bias circuit that generates a bias voltage for controlling an NMOS transistor connected to both a bit line and a page buffer circuit. The bias circuit generates a first voltage, which is greater than a power source voltage, as the bias signal in a precharge period of a read operation. The bias circuit also generates a second voltage, which is less than the power source voltage, as the bias signal in a sensing period of the read operation.
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