A New Statistical Method for Maximum Power Estimation in CMOS VLSI Circuits
Author(s) -
Nestor Evmorfopoulos,
J.N. Avaritsiotis
Publication year - 1999
Publication title -
active and passive electronic components
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.144
H-Index - 22
eISSN - 1026-7034
pISSN - 0882-7516
DOI - 10.1155/2000/39526
Subject(s) - very large scale integration , electronic circuit , cmos , power (physics) , point (geometry) , electronic engineering , computer science , engineering , mathematics , electrical engineering , physics , geometry , quantum mechanics
A method for maximum power estimation in CMOS VLSI circuits is proposed. Themethod is based on extreme value theory and allows for the calculation of the upper endpoint of the probability distribution which is followed by the instantaneous power drawnfrom the supply bus. The main features of the method are the relatively small and circuitin-dependentsubset of input patterns required for accurate prediction of maximumpower and its simulative nature which ensures that no over-simplifying assumptions aremade. Application of the proposed method to eight distributions, which come close tothe behavior of power consumption in VLSI circuits, proved its superior capabilitieswith respect to existing methods
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