The invention concerns a device for reading a storage cell (4), comprising a reading differential amplifier (18) having a first input terminal (16) connected to a column of cells (10) and a circuit (34) designed to feed to a second input terminal (20) of the amplifier (18) a reference voltage (Vref). The circuit (34) comprises means (38) for storing the voltage of said column and means (38, 40, 42) for applying as reference voltage (Vref) the stored voltage modified by a predetermined quantity.