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Circuit and System Architecture for DNA-Guided Self-Assembly of Nanoelectronics

By Jaidev P. Patwardhan, Chris Dwyer, Alvin R. Lebeck and Daniel J. Sorin


This paper explores the architectural challenges introduced by emerging bottom-up fabrication of nanoelectronic circuits and develops an architecture that meets these challenges. While our implementation is based on one specific technology, we believe the architecture is compatible with other emerging technologies. The specific nanotechnology we explore uses patterned DNA nanostructures and carbon nanotube FETs to create a hierarchical design. Patterned DNA nanostructures provide a scaffold for the placement and interconnection of CNFETs to create a limited size circuit (node). These nodes are interconnected using DNA-guided self-assembly, but without the control available in the patterned nanostructures, thus producing a random interconnect. Three characteristics of this technology that significantly impact architecture are 1) limited node size, 2) random node interconnection, and 3) high defect rates. We present an accumulator-based active network architecture that addresses these three challenges.

Year: 2004
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