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In this paper,we propose a new adaptable Semi Carry Save Modular Montgomery Multiplier (ACS-MMM) with Multi- Value Logic method (MVL). We improve the performance of Modified Carry Save Adder (MCSA) with maintaining very small hardware complexity. The proposed ACS-MMM multiplier design has several advantages over previous models. The existing system requires additional clock cycles and the critical path delay parameter is reduced.It is shown that one can avoid the ACS Montgomery Modular Multiplier by avoiding unnecessary carry save addition measures that offer less delay. Therefore, the required clock cycles are significantly reduced by montgomery modular process. As a result, the proposed montgomery multiplier gives much smaller Area-Time Product (ATP) than the previous montgomery multipliers.

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