CIRCUIT DESIGN ASSISTANCE DEVICE, METHOD, AND PROGRAM

摘要

A circuit design assistance device (30) is provided with: an MTJ element identification unit (33) for identifying an MTJ element from circuit information indicative of the configuration of a spintronics integrated circuit; a magnetization reversal determination unit (35) for determining whether to cause a magnetization reversal, on the basis of MTJ element property information indicative of properties of an MTJ element and on the basis of an electrical current value supplied to the identified MTJ element; an approximation formula storage unit (37) for storing a first and second formula with which the relationship between the electrical current values supplied to the MTJ element and a time constant pertaining to magnetization is approximated on the basis of different theoretical models; and an operational information output unit (36) for outputting the resistance value of the MTJ element. The magnetization reversal determination unit has a first computing means for computing the time constant needed for the magnetization reversal on the basis of the first and second formulae, and a second computing means for computing a magnetization reversal probability from the computed time constant. The magnetization reversal determination unit determines whether to cause a magnetization reversal on the basis of the magnetization reversal probability. This makes it possible to swiftly and precisely simulate the operation of an integrated circuit that includes an MTJ element.