A High-Performance TCAM Macro with the Folded Architecture for IP Routing Address Lookup

A high-performance TCAM macro with the folded architecture for IPv6 routing address lookup is designed and presented. The implemented 0.18 μm TCAM macro uses a newly proposed folded architecture on top of the tree-style AND-type match-line and the segmented search-line techniques we proposed previously to achieve a 27% increase in area utilization efficiency and a 10% reduction in energy consumption, while maintaining the world-record search speed.