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Design of an analogue ASIC using subthreshold CMOS transistors to model biological neurons

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4 Author(s)
Alvado, L. ; Lab. IXL, Bordeaux I Univ., Talence, France ; Tomas, J. ; Renaud-Le Masson, S. ; Douence, V.

We have designed an analogue IC that emulates the electrical activity of biological neurons according to the Hodgkin-Huxley modeling formalism. We detail the different blocks of the “neuron” IC. The circuit is designed using mostly MOS transistors in weak inversion region and integrated with the AMS 0.6 μm CMOS process. The main advantages of such a design are: (1) the low power consumption, that will allow the integration and the study of more complex neural networks on a single chip, (2) the usage of electronic voltage and current ranges that are identical to those of biological neurons. Measurements demonstrate the capabilities of the circuit for its use as an artificial neuron

Published in:

Custom Integrated Circuits, 2001, IEEE Conference on.

Date of Conference:

2001