Design and Evaluation of a 4-Valued Universal-Literal CAM for Cellular Logic Image Processing (Special Issue on New Concept Device and Novel Architecture LSIs)
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概要
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This paper presents a 4-valued content-addressable memory (CAM) for fully parallel template-matching operations in real-time cellular logic image processing with fixed templates. A universal literal is essential to perform a multiple-valued template-matching operation. It is decomposed of a pair of a threshold operation in a CAM cell and a logic-value conversion shared by CAM cells in the same column of a CAM cellular array, which makes a CAM cell function simple. Since a threshold operation together with a 4-valued storage element can be designed by using a single floating-gate MOS transistor, a high-density 4-valued universal-literal CAM with a single-transistor cell can be implemented by using a multi-layer interconnection technology. It is demonstrated that the performance of the proposed CAM is much superior to that of conventional CAMs under the same function.
- 社団法人電子情報通信学会の論文
- 1997-07-25
著者
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Kameyama Michitaka
Graduate School of Information Sciences, Tohoku University
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Hanyu Takahiro
Graduate School of Information Sciences, Tohoku University
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Hanyu Takahiro
Graduate School Of Information Sciences Tohoku University
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Arakaki Manabu
Graduate School Of Information Sciences Tohoku University
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Kameyama Michitaka
Graduate School Of Information Science Tohoku University
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Kameyama Michitaka
Graduate School Of Information Sciences Tohoku University
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