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DAC
1998
ACM

Figures of Merit to Characterize the Importance of On-Chip Inductance

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Figures of Merit to Characterize the Importance of On-Chip Inductance
- A closed form solution for the output signal of a CMOS inverter driving an RLC transmission line is presented. This solution is based on the alpha power law for deep submicrometer technologies. Two figures of merit are presented that are useful for determining if a section of interconnect should be modeled as either an RLC or an RC impedance. The damping factor of a lumped RLC circuit is shown to be a useful figure of merit. The second useful figure of merit considered in this paper is the ratio of the rise time of the input signal at the driver of an interconnect line to the time of flight of the signals across the line. AS/X circuit simulations of an RLC transmission line and a five section RC circuit based on a 0.25 ?m IBM CMOS technology are used to quantify and determine the relative accuracy of an RC model. One primary result of this study is evidence demonstrating that a range for the length of the interconnect exists for which inductance effects are prominent. Furthermore, i...
Yehea I. Ismail, Eby G. Friedman, José Luis
Added 13 Nov 2009
Updated 13 Nov 2009
Type Conference
Year 1998
Where DAC
Authors Yehea I. Ismail, Eby G. Friedman, José Luis Neves
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