Provided is a power-on clear circuit which normally operates. Even when a rising speed of a power supply voltage is slow, or when the power supply voltage rises from a voltage other than a ground voltage, a voltage of a node (C) is unlikely to become unstable owing to provision of a pull-down element (22) at the node (C). Thus, the power-on clear circuit normally operates, whereby a circuit connected to an output terminal of the power-on clear circuit may be normally initialized.