Design of Reversible Ternary Content-Addressable Memory (TCAM) Design Using verilog HDL

Ternary CAM is an improved version of CAM memory which could be used for broader searching operations. It searches input data among stored data and gives the output as the matched data. Now a day Ternary CAM became very popular for its deterministic and quick searching ability as it operates in parallel to compare the data stored with the search data. Reversible method has also gained its name in the industry because of its feature of ultra-low power-characteristics. Hence the reversible-logic has been used as an alternate option for limiting the power consumption in the current design scheme of TCAM cell. The proposed method includes the design of different sized 4x3, 4x4 and 4×5 R-TCAM arrays using individual TCAM cells which are completely built by reversible elements to overcome with the power problem. The optimized limits of a reversible TCAM memory cell are estimated as worst case delay, garbage outputs number and quantum-cost of the design. This proposed model provides us the greater matching and searching ability for fast running applications such as in routers and some networking equipment.