We have developed a new superconducting digital technology, Reciprocal Quantum Logic, that uses ac power carried on a transmission line, which also serves as a clock. Using simple experiments, we have demonstrated zero static power dissipation, thermally limited dynamic power dissipation, high clock stability, high operating margins, and a low bit-error rate. These features indicate that the technology is scalable to far more complex circuits at a significant level of integration. On the system level, Reciprocal Quantum Logic combines the high speed and low-power signal levels of single-flux-quantum signals with the design methodology of semiconductor digital logic, including low static power dissipation, low latency combinational logic, and efficient device count.
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Research Article| May 17 2011
Ultra-low-power superconductor logic
Quentin P. Herr;
Anna Y. Herr;
Oliver T. Oberg;
Quentin P. Herr, Anna Y. Herr, Oliver T. Oberg, Alexander G. Ioannidis; Ultra-low-power superconductor logic. J. Appl. Phys. 15 May 2011; 109 (10): 103903. https://doi.org/10.1063/1.3585849
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