Inderscience Publishers

Molecular electronics and reconfigurable logic

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This paper describes a reprogrammable architecture based on regular matrices of fine-grain dynamically reconfigurable cells based on double-gate carbon nanotube field effect transistors (DG-CNTFET) exhibiting ambivalence (p-type or n-type behaviour depending on the back-gate voltage). Using available models, reconfigurable cells have been simulated and performance metrics quantified at 4 GHz operation. A function mapping method suitable for this matrix structure has been devised, and various interconnect topologies have been analysed, showing average mapping success rates to 4 × 4 cell matrices of above 80% for 8-node function graphs. This gives insight into the way data functionality could be coded into the architecture based on such reconfigurable cells for on-the-fly and partial reprogrammability.

Keywords: carbon nanotubes, double-gate, reconfigurable logic, function mapping, molecular electronics, nanotechnology, field effect transistors, reconfigurable cells, simulation

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