What is it about?
The complementary property of the N-type CAM and the P-type CAM is used to balance the charge of match-lines. Then, the automatic charge balancing CAM architecture can control the voltage swing of match-lines to reduce the power consumption of CAM.
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Why is it important?
Due to the parallel comparison feature and the frequent precharge/discharge of match-lines, the power consumption of CAM is considerable. For a translation lookaside buffer example with 128 memory entries, the results show that the proposed automatic charge balancing technique can reduce the power consumption effectively.
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This page is a summary of: Automatic Charge Balancing Content Addressable Memory With Self-control Mechanism, IEEE Transactions on Circuits and Systems I Regular Papers, October 2014, Institute of Electrical & Electronics Engineers (IEEE),
DOI: 10.1109/tcsi.2014.2335651.
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