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公开(公告)号：US09123417B1
公开(公告)日：2015-09-01
申请号：US14106237
申请日：2013-12-13
Applicant: NetLogic Microsystems, Inc.
Inventor： Dimitri Argyres
Abstract: A CAM cell is disclosed that can be selectively configured to store either base-2 data words or base-3 data words. When configured to store base-3 data words, the quaternary CAM cell compares 3 comparand bits representative of a base-3 comparand value with the base-3 data value stored in the CAM cell. Storing base-3 data words in such CAM cells increases the data storage density of associated CAM arrays.
Abstract translation: 公开了可以选择性地配置为存储基2数据字或基3数据字的CAM单元。 当配置为存储基3数据字时，四元CAM单元将表示基3比较值的3个比较位与存储在CAM单元中的基3数据值进行比较。 在这样的CAM单元中存储基3数据字增加了相关CAM阵列的数据存储密度。
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2.发明授权Power savings in a content addressable memory device using masked pre-compare operations 有权使用屏蔽的预比较操作在内容可寻址存储器件中的功率节省公开(公告)号：US09019737B2
公开(公告)日：2015-04-28
申请号：US14142281
申请日：2013-12-27
Applicant: NetLogic Microsystems, Inc.
Inventor： Dimitri Argyres
Abstract: A CAM device for comparing a search key with a plurality of ternary words stored in a CAM array includes one or more population counters, a pre-compare memory, and a pre-compare circuit. The present embodiments reduce the power consumption of CAM devices during compare operations between a search key and ternary words stored in a CAM array by selectively enabling the match lines in the CAM array in response to pre-compare operations between a set of population counts corresponding to the masked search key and a set of population counts corresponding to the ternary words stored in the CAM array.
Abstract translation: 用于将搜索关键字与存储在CAM阵列中的多个三进制字进行比较的CAM装置包括一个或多个总体计数器，预比较存储器和预比较电路。 本实施例通过选择性地启用CAM阵列中的匹配线，以响应于对应于一组CAM的一组群体计数之间的预比较操作来减少CAM设备在搜索关键字和存储在CAM阵列中的三进制字之间的比较操作期间的功耗 掩蔽的搜索关键字和与存储在CAM阵列中的三元字对应的一组群体计数。
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3.发明申请Power Savings in a Content Addressable Memory Device Using Masked Pre-Compare Operations 有权使用屏蔽预比较操作对内容可寻址存储器件进行节能公开(公告)号：US20140218994A1
公开(公告)日：2014-08-07
申请号：US14142281
申请日：2013-12-27
Applicant: NetLogic Microsystems, Inc.
Inventor： Dimitri Argyres
Abstract: A CAM device for comparing a search key with a plurality of ternary words stored in a CAM array includes one or more population counters, a pre-compare memory, and a pre-compare circuit. The present embodiments reduce the power consumption of CAM devices during compare operations between a search key and ternary words stored in a CAM array by selectively enabling the match lines in the CAM array in response to pre-compare operations between a set of population counts corresponding to the masked search key and a set of population counts corresponding to the ternary words stored in the CAM array.
Abstract translation: 用于将搜索关键字与存储在CAM阵列中的多个三进制字进行比较的CAM装置包括一个或多个总体计数器，预比较存储器和预比较电路。 本实施例通过选择性地启用CAM阵列中的匹配线，以响应于对应于一组CAM的一组群体计数之间的预比较操作来减少CAM设备在搜索关键字和存储在CAM阵列中的三进制字之间的比较操作期间的功耗 掩蔽的搜索关键字和与存储在CAM阵列中的三元字对应的一组群体计数。
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