| 摘要 |
Disclosed herein is a control voltage generation circuit including: a reference voltage generation circuit adapted to generate a reference voltage; and a voltage conversion circuit adapted to generate, based on the reference voltage, a control voltage to be supplied to the gate of a clamping transistor connected between a bit line and a sense amplifier to adjust the voltage of the bit line, wherein the voltage conversion circuit outputs a voltage, which is the sum of a voltage proportional to the reference voltage and a voltage equivalent to the threshold voltage of the clamping transistor, to the gate of the clamping transistor as the control voltage.
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