Mimicry of Excitatory and Inhibitory Artificial Neuron with Leaky Integrate-and-Fire Function by a Single MOSFET

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For the first time, a leaky integrate-and-fire (LIF) neuron with both excitatory and inhibitory characteristics is demonstrated using a single MOSFET. No additional circuits such as comparator, reset circuit, or current-to-voltage converter as well as a membrane capacitor are needed, and thus the LIF neuron is realized with a footprint of 6 F-2. Because of its gate terminal, neuron firing is selectively inhibited, which can improve the energy efficiency of the neuromorphic system by inducing sparse activity. Furthermore, the spiking property of the neuron can be controlled by the gate, which can provide additional room to enhance the classification accuracy.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2020-02
Language
English
Article Type
Article
Citation

IEEE ELECTRON DEVICE LETTERS, v.41, no.2, pp.208 - 211

ISSN
0741-3106
DOI
10.1109/LED.2019.2958623
URI
http://hdl.handle.net/10203/272407
Appears in Collection
EE-Journal Papers(저널논문)
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