In this work we introduce a new logic style for p-n junctions based digital graphene circuits: the pass-XNOR logic style. The latter enables the realization of compact, energy efficient circuits that better exploit th...
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ISBN:
(纸本)9783981537024
In this work we introduce a new logic style for p-n junctions based digital graphene circuits: the pass-XNOR logic style. The latter enables the realization of compact, energy efficient circuits that better exploit the characteristics of graphene. We first show how a single p-n junction can be conceived as a pass-XNOR gate, i.e.,a transmission gate with embedded logic functionality, the XNOR Boolean operator. Secondly, we propose a smart integration strategy in which series/parallel connections of pass-XNOR gates allow to implement AND/OR logical conjunctions, and, therefore, all possible truth tables. Experimental results conducted on a set of representative logic functions show the superior of pass-XNOR logic circuits w.r.t. standard CMOS circuits and graphene circuits that use p-n junctions in a complementary-like structure.
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