Anna Y. Herr, Quentin P. Herr, Oliver T. Oberg, Ofer Naaman, John X. Przybysz, Pavel Borodulin, Steven B. Shauck
Reciprocal Quantum Logic combines the speed and power-efficiency of single-flux quantum superconductor devices with design features that are similar to CMOS. We have demonstrated an 8-bit carry look-ahead adder in the technology using combinational gates with fanout of four and non-local interconnect. Measured power dissipation of the fully active circuit is only 510 nW at 6.2GHz. Latency is only 150 ps at a clock rate of 10GHz.
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http://arxiv.org/abs/1212.2994
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