A Summating, Exponentially-Decaying CMOS Synapse for Spiking Neural Systems

  title={A Summating, Exponentially-Decaying CMOS Synapse for Spiking Neural Systems},
  author={Rock Z. Shi and Timothy K. Horiuchi},
Synapses are a critical element of biologically-realistic, spike-based neural computation, serving the role of communication, computation, and modification. Many different circuit implementations of synapse function exist with different computational goals in mind. In this paper we describe a new CMOS synapse design that separately controls quiescent leak current, synaptic gain, and time-constant of decay. This circuit implements part of a commonly-used kinetic model of synaptic conductance. We… CONTINUE READING
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