A 1.2Gb/s/pin wireless superconnect based on inductive inter-chip signaling (IIS)

Abstract
A wireless bus for stacked chips is designed with the interface using inductive coupling with metal spiral inductors. Transceiver circuits non-return-to-zero signaling are developed. Test chips stacked at a distance of 300/spl mu/m communicate at data rates of up to 1.2Gb/s/pin. Fabricated in 0.35/spl mu/m CMOS technology, TX and RX dissipation are 43 and 2.5mW, respectively.

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