We report the operation of and, exor, exnor, and inverting gates in a circuit architecture suitable for the set of all Boolean gates. Series arrays of YBa2Cu3O7−x dc superconducting quantum interference devices with integrated coils exhibit sufficient modulation to allow low-speed tests demonstrating gate logic, and lack of oscillation or latching. The best inverter operated (without load) at 36 μV, with 2 nW of gate dissipation.
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Schwarzbek et al. (1991) studied this question.
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