Circuit arrangement, method of forming and operating the same

A method of forming a circuit arrangement, the method comprising:

• providing a first spin-orbit torque magnetic tunnel junction cell having a reference terminal, a first electrode terminal, and a second electrode terminal;
• providing a second spin-orbit torque magnetic tunnel junction cell having a reference terminal, a first electrode terminal, and a second electrode terminal;
• connecting a first driver circuit arrangement to the second electrode terminal of the first spin-orbit torque magnetic tunnel junction cell and the first electrode terminal of the second spin-orbit torque magnetic tunnel junction cell;
• connecting a second driver circuit arrangement to the first electrode terminal of the first spin-orbit torque magnetic tunnel junction cell and the second electrode terminal of the second spin-orbit torque magnetic tunnel junction cell;
• connecting a read circuit arrangement to the reference terminal of the first spin-orbit torque magnetic tunnel junction cell and the reference terminal of the second spin-orbit torque magnetic tunnel junction cell;
• wherein the first driver circuit arrangement and the second driver circuit arrangement are configured so that a first write current flowing from the first driver circuit arrangement to the second driver circuit arrangement generates a first logic state in the first spin-orbit torque magnetic tunnel junction cell and a second logic state in the second spin-orbit torque magnetic tunnel junction cell, and a second write current flowing from the second driver circuit arrangement to the first driver circuit arrangement generates the second logic state in the first spin-orbit torque magnetic tunnel junction cell and the first logic state in the second spin-orbit torque magnetic tunnel junction cell;
• and
• wherein the read circuit arrangement is configured to flow a first sense current through the first spin-orbit torque magnetic tunnel junction cell and a second sense current through the second spin-orbit torque magnetic tunnel junction cell for determining a logic state of the first spin-orbit torque magnetic tunnel junction cell and a logic state of the second spin-orbit torque magnetic tunnel junction cell.

The method of operating a circuit arrangement, the method comprising:

• providing the circuit arrangement comprising:
• a first spin-orbit torque magnetic tunnel junction cell having a reference terminal, a first electrode terminal, and a second electrode terminal;
• a second spin-orbit torque magnetic tunnel junction cell having a reference terminal, a first electrode terminal, and a second electrode terminal;
• a first driver circuit arrangement connected to the second electrode terminal of the first spin-orbit torque magnetic tunnel junction cell and the first electrode terminal of the second spin-orbit torque magnetic tunnel junction cell;
• a second driver circuit arrangement connected to the first electrode terminal of the first spin-orbit torque magnetic tunnel junction cell and the second electrode terminal of the second spin-orbit torque magnetic tunnel junction cell;
• a read circuit arrangement connected to the reference terminal of the first spin-orbit torque magnetic tunnel junction cell and the reference terminal of the second spin-orbit torque magnetic tunnel junction cell;
• wherein the first driver circuit arrangement and the second driver circuit arrangement are configured so that a first write current flowing from the first driver circuit arrangement to the second driver circuit arrangement generates a first logic state in the first spin-orbit torque magnetic tunnel junction cell and a second logic state in the second spin-orbit torque magnetic tunnel junction cell, and a second write current flowing from the second driver circuit arrangement to the first driver circuit arrangement generates the second logic state in the first spin-orbit torque magnetic tunnel junction cell and the first logic state in the second spin-orbit torque magnetic tunnel junction cell;
• and
• wherein the read circuit arrangement is configured to flow a first sense current through the first spin-orbit torque magnetic tunnel junction cell and a second sense current through the second spin-orbit torque magnetic tunnel junction cell for determining a logic state of the first spin-orbit torque magnetic tunnel junction cell and a logic state of the second spin-orbit torque magnetic tunnel junction cell;
• and
• writing to the first spin-orbit torque magnetic tunnel junction cell and the second spin-orbit torque magnetic tunnel junction cell.