Non-volatile associative memory cell, non-volatile associative memory device, monitoring method, and non-volatile memory cell

Abstract

A non-volatile associative memory cell includes: one magnetoresistance effect element including first and second ferromagnetic layers and a non-magnetic layer; first and second match lines connected to the magnetoresistance effect element in accordance with predetermined first and second search line voltages. The magnetoresistance effect element includes: first and second members. The first member includes first and second electrodes disposed at opposite ends. The first ferromagnetic layer is in the first or second member, the non-magnetic layer is stacked in the first direction, and the direction of internal magnetization of the first ferromagnetic layer changes in a case in which a current flows between the first and second electrodes. The non-magnetic and the second ferromagnetic layers are in the second member. A magnetoresistance effect element resistance value changes. An electric potential corresponding to an second ferromagnetic layer electric potential is applied to each of the first and second match lines.