A multiple matchline sense circuit for detecting a single, more than one, or no match conditions during a search-and-compare operation of a content addressable memory is disclosed. The circuit compares the rising voltage rate of a multiple matchline to the rising voltage rate of a reference multiple...http://www.google.co.uk/patents/US6990001?utm_source=gb-gplus-sharePatent US6990001 - Multiple match detection circuit and method
