| 摘要 |
The present invention provides a circuitry comprising: a first switching transistor connected in series between an output node and a first voltage supply line which supplies a fist voltage level, the first switching transistor having a first control gate receiving a first control signal; and a second switching transistor connected in series between the output node and a second voltage supply line which supplies a second voltage level which is lower than the first voltage level, the second switching transistor having a second control gate receiving a second control signal, so that the first and second switching transistors are connected in series between the first and second voltage supply lines, wherein the first switching transistor has a first sub-gate which is connected to the output node, and the second switching transistor has a second sub-gate which is connected to the second voltage supply line.
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