Power Considerations in Banked CAMs: A Leakage Reduction Approach

The content-based access of CAMs makes them of great interest in lookup-based operations. However, the large amounts of parallel comparisons required cause an expensive cost in power dissipation. In this work, we present a novel banked precomputation-based architecture for low-power and storage-dema...

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Bibliographic Details
Published in:VLSI Design 2008-01, Vol.2008 (1), p.210-216
Main Authors: Pedro Echeverría, Jose L. Ayala, Marisa Lopez-Vallejo
Format: Article
Language:English
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Summary:The content-based access of CAMs makes them of great interest in lookup-based operations. However, the large amounts of parallel comparisons required cause an expensive cost in power dissipation. In this work, we present a novel banked precomputation-based architecture for low-power and storage-demanding applications where the reduction of both dynamic and leakage power consumption is addressed. Experimental results show that the proposed banked architecture reduces up to an 89% of dynamic power consumption during the search process while the leakage power consumption is also minimized up to a 91%.
ISSN:1065-514X
1563-5171
DOI:10.1155/2008/674259