Abstract
Bundled single-wall carbon nanotube (SWCNT) interconnects have been investigated as one of the prominent replacements to copper interconnects in nano-scale regime. This paper investigates the performance of SWCNT bundle interconnect using current-mode signaling (CMS) scheme. Time-domain analytical model is derived for CMS SWCNT bundle interconnects using finite-difference time-domain (FDTD) technique. This model for the first time accurately considers the CMOS gate driver in its analytical FDTD formulation for CMS SWCNT bundle interconnects. The performance of CMS SWCNT bundle interconnect is compared with the conventional CMS copper interconnects. It is investigated that CMS SWCNT bundle interconnects have lower propagation delay than CMS copper interconnects.
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