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Download Variation Tolerant On-Chip Interconnects by Ethiopia Enideg Nigussie (auth.) PDF

By Ethiopia Enideg Nigussie (auth.)

This booklet offers layout innovations, research and implementation of excessive functionality and gear effective, edition tolerant on-chip interconnects. Given the layout paradigm shift to multi-core, interconnect-centric designs and the rise in assets of variability and their impression in sub-100nm applied sciences, this ebook could be a useful reference for a person fascinated about the layout of subsequent iteration, high-performance electronics systems.

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Variation Tolerant On-Chip Interconnects

This e-book offers layout recommendations, research and implementation of excessive functionality and gear effective, edition tolerant on-chip interconnects. Given the layout paradigm shift to multi-core, interconnect-centric designs and the rise in assets of variability and their effect in sub-100nm applied sciences, this publication should be a useful reference for an individual fascinated with the layout of subsequent iteration, high-performance electronics platforms.

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The summary of this chapter is presented in the last section. 1 Level-Encoded Dual-Rail Current Sensing Interconnect LEDR encoding is among the preferred encoding schemes for global on-chip communication, because it needs no resetting transitions that consume time and power. Its completion detection and decoding circuitry is faster and much simpler than that of two-phase dual-rail encoding since detection is level based rather than transition based. The conventional two-phase dual-rail protocol has more complex and slower decoding and completion detection circuitry compared to LEDR.

Its completion detection and decoding circuitry is faster and much simpler than that of two-phase dual-rail encoding since detection is level based rather than transition based. The conventional two-phase dual-rail protocol has more complex and slower decoding and completion detection circuitry compared to LEDR. In the two-phase protocol, if the transmitted data has the value 0 there is a transition on one wire and a transition on the other wire if 1 is transmitted. To detect completion and decode the data, the current and previous state on both wires need to be detected.

Static power dissipation can be minimized using different circuit techniques which reduce leakage currents. Dynamic power is dissipated when the parasitic capacitance of the wire is charged and discharged. Since current-mode signaling operates at low voltage swing dynamic power consumption is not as significant source of power dissipation as in voltage-mode signaling. The third source of power dissipation arises from the finite input signal edge rates that result in short-circuit current. Generally, careful control of input edge rates can minimize the short circuit current component to within 20% of the total dynamic power dissipation [35].

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