
184 Communication Architectures for SoC
TABLE 5.7
Minimum density of metallic SWCNTs needed to exceed Cu wire
conductivity [74]
Year 2010 2012 2014 2016 2018 2020 2024
Cu R
eff
[μm-cm] 4.08 4.53 5.2 6.01 6.7 8.19 12.91
Min Density [nm
−2
] 0.175 0.158 0.138 0.119 0.107 0.087 0.055
It is also important to investigate how SWCNT-bundle and MWCNT com-
pare with each other [5]. If the SWCNTs are all metallic, SWCNT intercon-
nect can outperform MWCNT at highly scaled technologies. On the other
hand, if the SWCNTs have random chiralities, the MWCNT interconnect can
achieve better performance. However, one of the major technology concern for
MWCNTs is the connection ...