Patent ID: 6781865
Filing Date: 2004-08-24
Classification: G11C,H03K

Abstract:
A nonvolatile selector whichincludes at least one unit selector, wherein said at least one unit selector comprises a plurality of switching sections, whereine ach said switching section comprises:a serial capacitor bank including a first capacitor and a second capacitor connected to each other in series; and a transistor that is connected to an intermediate node between the first and second capacitors and is turned ON/OFF according to the potential at the intermediate node wherein the transistors of the plurality of switching sections are connected to a common output terminal, the transistors of pluralityof switching sections are each connected to an associated one of a plurality of input terminals, the first capacitor of one said switching section A is formed of a ferroelectric capacitor, the second capacitor of the switching section A is formed of a paranonelectric capacitor or a low-capacitance capacitor, the first capacitor of another said switching section B is formed of a paranonelectric capacitor or a low-capacitance capacitor, and the second capacitor of the switching section B is formed of a ferroelectric capacitor, whereby one of the potential at the intermediate node of the switching section A and the potential at the intermediate node of the switching section B becomes the potential at which the transistor is turned OFF and the other becomes the potential at which the transistor is turned ON so that one of the plurality of input terminals connected to the transistor that has been turned ON is electrically connected with the output terminal.