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Geometry-Based Crosstalk Reduction in CNT Interconnects
Published in World Scientific Pub Co Pte Lt
Volume: 29
Issue: 06
This paper proposes novel triangular cross-sectioned geometry of carbon nanotube (CNT) bundles for crosstalk and delay reduction in CNT bundle interconnects for VLSI circuits. First, we formulate the equivalent single conductor (ESC) transmission line models of the interconnects. Through SPICE analysis of the ESC circuits, we find the propagation delays of the proposed CNT bundles. Next, we model the capacitively coupled interconnects for crosstalk analysis. It is found that the coupling capacitance of triangular CNT bundle is 29% lesser than the traditionally used square CNT bundles. Further, the crosstalk-induced delay of triangular interconnects is found to be 30% lesser when compared to square bundle interconnects. The reduction in delay is found to increase as the number of CNTs in the bundle increases. So, we suggest that triangular CNT bundles are the most suitable candidates as global interconnects.
About the journal
JournalData powered by TypesetJournal of Circuits, Systems and Computers
PublisherData powered by TypesetWorld Scientific Pub Co Pte Lt
Impact Factor0.337
Open AccessNo
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