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utFDr. Ali Sheikholeslami (University of Toronto, Canada)
่FCircuit Techniques for Low-Power Content-Addressable Memories
TvF@Content-Addressable Memories (CAM) search data by content rather than by
address. CAMs are used extensively today in applications such as network
routers, database accelerations, and data compression. In all these
applications, a search data is compared against thousands of stored entries
in order to identify the locations of the matching data. The search
operation is performed in parallel, thus allowing the CAM to complete a
search in one clock cycle, much faster than any software implementation of
the same function. This speed, however does not come for free; the CAM power
consumption can be very high, to the point of limiting the number of
searches per second, or limiting the
number of entries on the CAM. In this talk, I will present a short
circuit tutorial on CAM, followed by the circuit techniques that we have
developed at the University of Toronto to reduce the CAM power consumption.
I will conclude the talk by presenting a list of open challenges in the CAM
area.
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