Pulsed current-mode signaling for nearly speed-of-light intrachip communication |
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Authors: | Jose AP Patounakis G Shepard KL |
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Affiliation: | Dept. of Electr. Eng., Columbia Univ., New York, NY, USA; |
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Abstract: | In this paper, we describe the design of on-chip repeater-less interconnects with nearly speed-of-light latency. Sharp current-pulse data transmission is used to modulate transmitter energy to higher frequencies, where the effect of wire inductance is maximized, allowing the on-chip wires to function as transmission lines with considerably reduced dispersion. A prototype 8-Gb/s serial link employing this pulsed current-mode signaling in a 0.18-/spl mu/m CMOS process is described and measured. |
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