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A low-power high-speed chip-to-chip interface scheme is described having a density of 625pins/mm/sup 2/. The interface utilizes capacitively coupled contactless minipads, return-to-half-V/sub 00/ signaling and sense amplifying F/F. The measured test chip fabricated in 0.35/spl mu/m CMOS delivers up to 1.27Gb/s/pin at 3mW/pin.
Date of Conference: 13-13 Feb. 2003