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In this paper a new design technique for 4-bit carry look ahead optical adder based on binary decision diagram (BDD) has been proposed. This technique can be used for the design of higher order bits. Performance analysis is carried out for longest and shortest path lengths in terms of power attenuation. In this paper, the threshold value of output power to interpret as logic 1 or logic 0 are also...
Binary decision diagrams (BDDs) are the most frequently used data structure for the representation and manipulation of Boolean functions in the area of Very Large Scale Integration (VLSI) CAD. In this paper, we propose the reversed‐signal‐propagation (RSP) BDD‐based low‐power pass‐transistor logic (PTL) synthesis. In RSP BDD, the signal flow direction is opposite to that of the forward BDD. So the...
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