  Having multi-output logic gates saves much energy because the same structure
can be used to feed multiple inputs of next stage gates simultaneously. This
paper proposes novel triangle shape fanout of 2 spin wave Majority and XOR
gates; the Majority gate is achieved by phase detection, whereas the XOR gate
is achieved by threshold detection. The proposed logic gates are validated by
means of micromagnetic simulations. Furthermore, the energy and delay are
estimated for the proposed structures and compared with the state-of-the-art
spin wave logic gates, and 16nm and 7nm CMOS. The results demonstrate that the
proposed structures provide energy reduction of 25%-50% in comparison to the
other 2-output spin-wave devices while having the same delay, and energy
reduction between 43x and 0.8x when compared to the 16nm and 7nm CMOS while
having delay overhead between 11x and 40x.
