Closed form solution to simultaneous buffer insertion/sizing and wire sizing
Proceedings of the 1997 international symposium on Physical design
Zero-skew clock tree construction by simultaneous routing, wire sizing and buffer insertion
ICCAD '00 Proceedings of the 2000 international conference on Computer-aided design
Optimal minimum-delay/area zero-skew clock tree wire-sizing in pseudo-polynomial time
Proceedings of the 2003 international symposium on Physical design
Reducing clock skew variability via cross links
Proceedings of the 41st annual Design Automation Conference
Effects of Parameter Variations and Crosstalk Noise on H-Tree Clock Distribution Networks
ISVLSI '06 Proceedings of the IEEE Computer Society Annual Symposium on Emerging VLSI Technologies and Architectures
Clock Distribution Architectures: A Comparative Study
ISQED '06 Proceedings of the 7th International Symposium on Quality Electronic Design
Statistical Analysis of Clock Skew Variation in H-Tree Structure
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Mitigating Thermal Effects on Clock Skew with Dynamically Adaptive Drivers
ISQED '07 Proceedings of the 8th International Symposium on Quality Electronic Design
Assessing carbon nanotube bundle interconnect for future FPGA architectures
Proceedings of the conference on Design, automation and test in Europe
Managing on-chip inductive effects
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
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The gigahertz frequency regime together with the rising delay of on-chip interconnect and increased device densities, has resulted in aggravating clock skew problem. Skew and power dissipation of clock distribution networks are key factors in determining the maximum attainable clock frequency as well as the chip power consumption. The traditional skew balancing schemes incur additional cost of increased area and power. In this paper, we propose a novel skew reduction mechanism using dissimilar interconnect materials for balancing the non-uniform loads in a clock network. Single walled carbon nanotube (SWCNT) bundles have been shown to have high electrical conductivity for future process technology nodes. We design a H-tree clock network made up of both SWCNT bundles and copper interconnect at 22nm technology node. Our experiments show that such a network saves an average of 65% in area and 22% of power over a pure copper distribution network.