| 摘要 |
A bias potential generation circuit in a level conversion circuit sets a bias potential applied to the backgate of an N-channel MOS transistor for pull-down at a positive potential when an input signal is set at the "L" level and the first and second signals are set at the "H" and "L" levels respectively, to lower the threshold voltage of the N-channel MOS transistor. Therefore, even if an amplitude voltage of the input signal is lowered, the operating speed can be increased.
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