A 6-bit, 0.2V To 0.9V Highly Digital Flash ADC With Comparator Redundancy

Daly, D. C., A. P. Chandrakasan, "A 6-bit, 0.2V to 0.9V Highly Digital Flash ADC with Comparator Redundancy," IEEE International Solid-State Circuits Conference (ISSCC), pp. 554-555, February 2008.