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Impact of Voltage Scaled Repeaters on VLSI Based CNT Interconnects

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Author(s): Impact of Voltage Scaled Repeaters on VLSI Based CNT Interconnects

Journal: International Journal of Engineering Trends and Technology
ISSN 2231-5381

Volume: 4;
Issue: 7;
Start page: 2926;
Date: 2013;
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Keywords: Interconnect | CNT | propagation delay | power dissipation | repeater | voltage scaling.

ABSTRACT
Carbon nanotubes (CNTs) have provided an attractive solution over Copper at deep sub-micron level very large scale integration (VLSI) technologies. Delay is one of the major design constraints in very large scale integration (VLSI) circuits. This paper presents an analysis of propagation delay and effect of repeater insertion on propagation delay for both CNT and Cu interconnects. It has been observed that CNT interconnects have lower propagation delay than the Copper interconnects. Also, propagation delay reduces as we increase the number of repeaters. The above trends are studied with technology node. In addition this paper deals with effect of voltage scaling in repeaters loaded long interconnect in VLSI circuits on propagation delay. It has been observed that propagation delay reduces with the voltage.

Tango Jona
Tangokurs Rapperswil-Jona

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