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Title: Superconducting Digital Electronics*
Author: Richard L. Rautz
Source: 1978 Measurement Science Conference
Year Published: 1978
Abstract: The Josephson junction is a superconducting electronic device which, because it combines high speed, low power dissipation and small size, is suitable for making very fast, highly complex digital circuits. The fastest Josephson logic reported to date has a delay time of a few tens of picoseconds per gate and a power dissipation of a few microwatts per gate. With the superconducting microcircuit technology presently being developed, several thousand gates per chip are now possible. Such packing densities contrast with those achievable with semiconducting electronics, where power dissipation limits the number of gates to a few tens per chip. Superconducting electronics thus promises a new generation of digital instruments which might include analog-to-digital converters and real-time digital filters operating at higher speeds than previously possible.

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