"Green" micro-architecture and circuit co-design for ternary content addressable memory

Po-Tsang Huang*, Shu Wei Chang, Wen Yen Liu, Wei Hwang

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

10 Scopus citations

Abstract

In this paper, an energy-efficient and high performance ternary content addressable memory (TCAM) are presented. It employs the concept of "green" micro-architecture and circuit co-design. For achieving energy-efficient TCAM architecture, hierarchy search-line scheme and butterfly match-line scheme are proposed. Moreover, the match-lines are also implemented by noise-tolerant XOR-based conditional keeper and don't-care based power gating scheme to reduce not only search time but power consumption. In order to reduce increasing leakage power with advanced technologies, furthermore, the proposed TCAM design employs super cut-off power gating technique and multi-mode data-retention power gating technique to reduce leakage currents without reducing search time and destroying noise margin. An energy-efficient 256x144 TCAM array is implemented in TSMC 0.13um and designed in 65nm Berkeley Predictive Technology Model, respectively. The simulation results show the leakage power reduction is 70.7% and energy metric of TCAM macro is 0.047 fJ/bit/search.

Original languageEnglish
Title of host publication2008 IEEE International Symposium on Circuits and Systems, ISCAS 2008
Pages3322-3325
Number of pages4
DOIs
StatePublished - 19 Sep 2008
Event2008 IEEE International Symposium on Circuits and Systems, ISCAS 2008 - Seattle, WA, United States
Duration: 18 May 200821 May 2008

Publication series

NameProceedings - IEEE International Symposium on Circuits and Systems
ISSN (Print)0271-4310

Conference

Conference2008 IEEE International Symposium on Circuits and Systems, ISCAS 2008
CountryUnited States
CitySeattle, WA
Period18/05/0821/05/08

Fingerprint Dive into the research topics of '"Green" micro-architecture and circuit co-design for ternary content addressable memory'. Together they form a unique fingerprint.

Cite this