| 摘要 |
An output buffer includes a p-channel transistor, and first and second n-channel transistors. The p-channel transistor has one of a source and drain which is connected to power supply and the other which is connected to an output node connected to an output terminal. The first n-channel transistor has one of a source and drain which is grounded and the other which is connected to the output node. The second n-channel transistor is series-connected to the p-channel transistor between a power supply and the output node and receives at a gate a power supply potential level which rises at substantially the same time as the power supply upon ON operation.
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