| 摘要 |
A period signal generation circuit includes a period signal generator configured to alternately charge and discharge a control node according to a level of the control node to generate a period signal, a discharge controller configured to discharge a first current having a constant value from the control node in response to a temperature signal and discharge a second current varying according to an internal temperature thereof from the control node in response to the temperature signal, and a tester configured to control a charging speed and a discharging speed of the control node.
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