Test Structures for Delay Variability
Duane Boning, Joseph Panganiban, et al.
TAU 2002
Physical synthesis optimizations require fast and accurate analysis of RC networks. Elmore first proposed matching circuit moments to a probability density function (PDF), which led to widespread adoption of his simple and fast metric. The more recently proposed PRIMO and H-gamma metrics match the circuit moments to the PDF of a Gamma statistical distribution. We instead propose to match the circuit moments to a Weibull distribution and derive a new delay metric called Weibull-based delay (WED). The primary advantages of WED over PRIMO and H-gamma are its efficiency and ease of implementation. Experiments show that WED is robust and has satisfactory accuracy at both near- and far-end nodes.
Duane Boning, Joseph Panganiban, et al.
TAU 2002
Frank Liu, Peter Feldmann
ISQED 2008
Charles J. Alpert, Patrick Groeneveld
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
He Zhou, Sunil P. Khatri, et al.
DAC 2019