Micah O'Halloran is currently focused on devising a low-power wide-dynamic-range time-based imager. His former work on analog memory with an ultra-low-leakage switch achieved a 5 electrons/sec leak rate, enabling 8-bit storage of an analog value for over 4 hours.

Publications

M. O'Halloran and R. Sarpeshkar, "A 10nW 12-bit Accurate Analog Storage Cell with 10aA Leakage,” IEEE Journal of Solid-State Circuits, Vol. 39, No. 11, pp. 1985-1996 November 2004.

M. O'Halloran and R. Sarpeshkar, “An Analog Storage Cell with 5 electron/sec Leakage,” Proceedings of the IEEE International Symposium on Circuits and Systems (ISCAS 2006), Kos, Greece, pp. 557-560, May 21-24, 2006.

Sarpeshkar, R., and M. O'Halloran, "Scalable Hybrid Computation with Spikes", Neural Computation, Vol. 14, No. 9, September 2002.

Favorite Chip



Die photograph (1.5mm × 1.5mm). A differential analog storage cell, which exhibits 5 electrons/sec average leakage current at room temperature, is circled in white.