Ternary CAM cells are provided that have extremely small layout footprint size and efficient layout aspect ratios that enhance scalability. The cells also have high degrees of symmetry that facilitate high yield interconnections to bit, data and match lines. A 16T ternary CAM cell includes first and...http://www.google.com.tw/patents/US6900999?utm_source=gb-gplus-share專利 US6900999 - Ternary content addressable memory (TCAM) cells with small footprint size and efficient layout aspect ratio
