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A current-mode CMOS loser-take-all with minimum function for neural computations

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3 Author(s)
Donckers, N. ; Microelectron. Lab., Univ. Catholique de Louvain, Belgium ; Dualibe, C. ; Verleysen, M.

A novel architecture for loser-take-all functions is proposed. Inputs and outputs of the circuit are currents, which make the circuit appropriated for low-voltage neural hardware computation. In contrast to most existing realisations the circuit does not require subtraction from a fixed reference which decreases accuracy and input dynamic. Moreover, in addition to the loser, it also outputs the minimum input current. The circuit was synthesized using a SOI (silicon on insulator) technology and optimised to work with 1.5 V voltage supply showing improved speed and accuracy for a very low power consumption (typically 5 μW per cell when the input current is 1 μA)

Published in:

Circuits and Systems, 2000. Proceedings. ISCAS 2000 Geneva. The 2000 IEEE International Symposium on  (Volume:1 )

Date of Conference:

2000