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A flash Time to Digital Converter (TDC) can be calibrated to a precision on the order of the arbiter aperature without precise input signals. A theoretical result useful for calibration of a noise-limited arbiter array is derived, and verified empirically. A test chip with 64 arbiters in a 0.35 /spl mu/m CMOS process shows temporal resolution better than 2 picoseconds.
Date of Conference: 15-17 June 2000