Reversible conveyer computation in array of parametric quantrons

A possibility of physically and logically reversible processing of digital information in Josephson-junction circuits of a reasonable complexity has been considered, As example, a 8-bit 1024-point fast convolver has been designed on the basis of a ‘two-dimentional quasi-uni form array of ~250x30, 000 parametric quantrons., This completely reversible conveyer device can operate with the estimated rate of at least ~109 numbers per second, which corresponds to ~1014binary logical operations per second. At this rate the power dissipation in the whole device can still be as low as ~30nW. A new mode of the parametric quantron operation with larger parameter margins is also described.