Circuit neuromorphique impulsionnel implementant un neurone formel
Inventor: Alexandre VALENTIAN, Olivier Bichler, François Rummens
Current Assignee: Commissariat a Energie Atomique et aux Energies Alternatives
Abstract: An impulse-neuron-type
neuromorphic circuit comprises a capacitor (Cmem) having a membrane
voltage (Vmem), a first action comparator (1) for comparing the membrane
voltage with a first action voltage (Vact, Vthreshold_high), a first
regulation comparator (4) for comparing the membrane voltage with a
first regulation voltage (Vreg), a device for reinitialising the
membrane voltage (3) a register of threshold exceeds (5) and a regulator
(2). The regulator is configured: in case of exceeding the first
regulation voltage (Vreg Vthreshold_low) by the membrane voltage, to
control the device for reinitialising the membrane voltage (3) and
modify the register of threshold exceeds (5); and in case of exceeding
the first action voltage (Vact Vthreshold_high) by the membrane voltage,
to control the device for reinitialising the membrane voltage (3) and
query the register of threshold exceeds to decide whether or not to
generate an action potential (Spa) on an output of the neuromorphic
circuit.
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