Logic activation circuit for switching a logic circuit having at least one
supply voltage line on or off, said logic activation circuit having: (a)
at least one voltage supply switching device for connecting a supply
voltage to a supply voltage line of the logic circuit in a manner
dependent on a changeover control signal that is applied to a control
terminal of the voltage supply switching device; and having (b) a charge
equalization switching device which, in a manner dependent on a control
switching pulse, connects the supply voltage line of the logic circuit to
the control terminal of the voltage supply switching device for the
duration of the control switching pulse so that charge equalization is
effected between the supply voltage line and the control terminal of the
voltage supply switching device in order to generate the changeover
control signal.