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Power Estimation for Ripple-Carry Adders with Correlated Input Data
Linköping University, Department of Electrical Engineering, Electronics System. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Electronics System. Linköping University, The Institute of Technology.ORCID iD: 0000-0003-3470-3911
Linköping University, Department of Electrical Engineering, Electronics System. Linköping University, The Institute of Technology.
2004 (English)In: International Workshop on Power and Timing Modeling, Optimization and Simulation,2004, 2004, 662-674 p.Conference paper, Published paper (Other academic)
Abstract [en]

In this work modelling of the power consumption for ripple-carry adders implemented in CMOS is considered. Based on the switching activity of each input bit, two switching models, one full and one simplified, are derived. These switching models can be used to derive the average energy consumed for one computation. This work extends previous results by introducing a data dependent power model, i.e., correlated input data is considered. Examples show that the switching model is accurate, while there are some differences in the power consumption. This is due to the fact that not all switching in the ripple-carry adder is rail-to-rail (full swing) in the actual implementation

Place, publisher, year, edition, pages
2004. 662-674 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-23607Local ID: 3097OAI: oai:DiVA.org:liu-23607DiVA: diva2:243922
Conference
14th International Workshop on Power and Timing Modeling, Optimization and Simulation, PATMOS 2004, Santorini, Greece, September 15-17, 2004
Available from: 2009-10-07 Created: 2009-10-07 Last updated: 2015-03-11

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Johansson, KennyGustafsson, OscarWanhammar, Lars

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