A Fault-Tolerant Superconducting Associative Memory

Details A Fault-Tolerant Superconducting Associative Memory A Fault-Tolerant Superconducting Associative Memory

1999-09-13

arxiv.org/abs/cond-mat/9909183v1

Physics

Condensed Matter

Disordered Systems and Neural Networks

Scientific paper

The demand for high-density data storage with ultrafast accessibility motivates the search for new memory implementations. Ideally such storage devices should be robust to input error and to unreliability of individual elements; furthermore information should be addressed by its content rather than by its location. Here we present a concept for an associative memory whose key component is a superconducting array with natural multiconnectivity. Its intrinsic redundancy is crucial for the content-addressability of the resulting storage device and also leads to parallel image retrieval. Because patterns are stored nonlocally both physically and logically in the proposed device, information access and retrieval are fault-tolerant. This superconducting memory should exhibit picosecond single-bit acquisition times with negligible energy dissipation during switching and multiple non-destructive read-outs of the stored data.

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