Evaluating nanomagnetic logic circuit layouts using different clock schemes
ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING(2020)
摘要
The complementary metal oxide semiconductor technology, CMOS, is reaching its physical limitations, as the transistors’ feature size decreases. A promising alternative is the nanomagnetic logic technology (NML), a paradigm of field-coupled nanocomputing. This technology applies single domain nanomagnets to implement digital logic with switching energies that are orders of magnitude lower than a CMOS transistor due to the complete absence of static energy dissipation. When designing nanomagnetic circuitry, several challenges arise, such as the design of a clocking system able to avoid signal disruption due to the thermal noise effect. In this paper, we compare four NML clocking schemes: BANCS, USE, RES, and 2DDWave by analyzing scalability and area overhead of combinational and sequential circuits.
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关键词
Field-coupled nanocomputing,Nanomagnetic logic,Quantum-dot cellular automata,QCA,Clocking scheme,Bidirectional alternating nanomagnetic clocking scheme,BANCS
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