Single-electron devices based on the binary decision diagram.

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We proposed a method of constructing singleelectron logic systems on the basis of the binary decision diagram. Following the guiding principle that we have proposed, we designed sample logic subsystems, an adder and a comparator, by combining singleelectron BDD devices. Matters that require attention in designing the subsystems were discussed. The operation of the designed subsystems was calculated by computer simulation. It was demonstrated that the designed subsystems successfully produce an output data flow in reponse to the input data flow through pipelined processing. The operation error caused by thermal agitation was estimated. An output interface for converting single-electron transport into binary-voltage signals was also designed.