Stem xnor$ (all stems)

2 papers:

DAC-2015-TenaceCMP #logic #synthesis

One-pass logic synthesis for graphene-based Pass-XNOR logic circuits (VT, AC, EM, MP), p. 6.

DATE-2014-TenaceCMP #logic

Pass-XNOR logic: A new logic style for P-N junction based graphene circuits (VT, AC, EM, MP), pp. 1–4.