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Two phase search content addressable memory with power-gated main-search
Two phase search content addressable memory with power-gated main-search
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机译:具有电源门控主搜索功能的两阶段搜索内容可寻址存储器
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摘要
Low leakage CAMs and method of searching low leakage CAMs. The method includes performing a pre-search and compare on a small number of pre-search bits with pre-search CAM cells powered to normal voltage levels at all times while the main-search CAM cells are powered to a lower voltage level. Only if a match is detected on the pre-search bits are the main-search CAM cells powered-up to normal voltage levels and the search of the main-search bits activated. The main-search CAM cells are powered to normal voltage levels during read and write operations.
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