An apparatus for the treatment of faeces, includes a tank for housing faeces that has been subjected to treatment. The sheets are supplied to a sheet supply passage leading to retard rolls, which overlap the sheets within the supply passage. In each memory cell, a contact is provided in the well so as to penetrate through a source diffusion layer, and the contact that electrically connects bit lines and the source diffusion layer is also electrically connected to the well. A comparator compares one of the potentials of nodes N1 to N7 selected by a selector against the potential output by the temperature-dependant-potential generator unit and outputs the result of the comparison indicating the range of the ambient temperature.