Calculation of ramp response of lossy transmission lines using two-port network functions
ISPD '98 Proceedings of the 1998 international symposium on Physical design
Signal Delay in Coupled, Distributed RC Lines in the Presence of Temporal Proximity
ARVLSI '97 Proceedings of the 17th Conference on Advanced Research in VLSI (ARVLSI '97)
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A new technique for rapidly estimating the transient response of lossy transmission line interconnect structures is introduced. The new approach, Reciprocal Expansion (REX), is similar to Asymptotic Waveform Evaluation (AWE) in that it approximates the interconnect by a low-order system. However, unlike AWE, REX expands the reciprocal of the transfer function as a Taylor series. REX has been extended to handle distributed elements directly, compute crosstalk between coupled trees, and account for frequency-dependent effects. Experimental results demonstrate that for critical underdamped interconnects, REX provides better accuracy than AWE