Dynamic Self Controllable Surfing for Differential On-Chip Wave-Pipelined Serial Interconnect

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Abstract: In the literature, surfing technique has been proposed for differential wave-pipelined serial interconnects with uniform repeaters (UR) and non-uniform repeaters (NUR) to increase the data transfer rate. In this paper, a new surfing circuit called „Dynamic self controllable inverter pair‟ is proposed for differential wave-pipelined serial interconnects with UR and NUR to increase the data transfer rate further. The method of logical effort is used for the design of surfing circuits both UR and NUR. To evaluate the efficiency of these techniques, 40 mm metal 4 interconnects using the proposed surfing techniques are implemented along with transmitter, receiver and delay locked loop(DLL) in UMC 180nm technology and their performances are studied through post layout simulations. From this study, it is observed that the proposed surfing technique using UR and NUR achieve 3.53 times and 3.76 times higher data transfer rates respectively compared to the single ended scheme. The proposed scheme using UR and NUR has 1.18 times and 1.25 times higher data transfer rates respectively compared to differential scheme.

WSEAS Transactions on Circuits and Systems, ISSN / E-ISSN: 1109-2734 / 2224-266X, Volume 13, 2014, Art. #12

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Bhaskar M., Srinivas Gantasala, Venkataramani B. , "Dynamic Self Controllable Surfing for Differential On-Chip Wave-Pipelined Serial Interconnect ," WSEAS Transactions on Circuits and Systems, vol. 13, pp. 117-128 , 2014, DOI:
Bhaskar M., Srinivas Gantasala, Venkataramani B. . Dynamic Self Controllable Surfing for Differential On-Chip Wave-Pipelined Serial Interconnect . WSEAS Transactions on Circuits and Systems. 2014;13:117-128 .
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