IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Online ISSN : 1745-1337
Print ISSN : 0916-8508
Regular Section
Serial-Parallel Content Addressable Memory with a Conditional Driver (SPCwCD)
Mingu KANGSeong-Ook JUNG
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2009 Volume E92.A Issue 1 Pages 318-321

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Abstract

In this paper, a novel content addressable memory (CAM) structure is proposed to improve the performance of a static divided word matching (SDWM) CAM. In the SDWM CAM, a small pmos has to be used to keep a noise margin, but it degrades performance significantly. To resolve this problem, a conditional driver is introduced in the proposed serial-parallel CAM. Performance is improved by 28.0% without additional power consumption at a cost of about 5.6% increased area when the total bit number is 32 with four series bits and 30% of VDD is allowed as noise.

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© 2009 The Institute of Electronics, Information and Communication Engineers
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