Low power current mode receiver with inductive input impedance
Proceedings of the 13th international symposium on Low power electronics and design
Low-power current-mode transceiver for on-chip bidirectional buses
Proceedings of the 16th ACM/IEEE international symposium on Low power electronics and design
A variation tolerant current-mode signaling scheme for on-chip interconnects
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
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Current mode signaling(CMS) scheme is one of the promising alternatives to voltage mode buffer insertion scheme for high-speed low-power data transmission over long on-chip interconnects. In this paper we present a CMS scheme with dynamic overdriving driver (DOD) whose performance is robust against intra-die and inter-die process variations. We show that throughput of the CMS scheme proposed in [1] degrades by 33% in the presence of intra-die process variations whereas that of the scheme in [2] degrades by 36% in the worst case process corner. Simulation results show that throughput of the proposed CMS scheme degrades by only 9.5% in presence of intra-die process variations and 22% in the worst case process corner. In this process corner, logic speed itself degrades by 23% and hence 22% of throughput degradation of the proposed signaling scheme is not a major concern. In the typical process corner, the proposed CMS scheme shows 14% and 19% improvement in delay and power, respectively over CMS scheme proposed in [1].