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Power-Efficient Nonvolatile Ternary Content Addressable Memory with Flexible Search Scope Using Reconfigurable Match Line Segment and Selective Search Line

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This paper proposes a nonvolatile-based Ternary Content Addressable Memory (nvTCAM) with efficient dynamic power. The selective search line technique reduces the unnecessary power consumption by designating the search range according to the pattern of the stored data. The reconfigurable match line (ML) segment guarantees the optimal performance independent of the search pattern. Thanks to this technology, it shows a 21% reduction in data-driven power and a 46% reduction in ML-driven power. All those techniques are built in nvTCAM respectively. The test chip is fabricated using 180 nm CMOS technology, and functions are verified.
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Keywords: Reconfigurable Match Line Segment; Selective Search Line Control; nvTCAM

Document Type: Research Article

Affiliations: Department of Information and Communication Engineering, Sungkyunkwan University, Suwon, 16419, Korea

Publication date: October 1, 2019

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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