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US 2015/0088797 A1Published application
Synapse circuits for connecting neuron circuits, unit cells composing neuromorphic circuit, and neuromorphic circuits
AssigneeGwangju Institute of Science and Technology
InventorsYoungbae KIM, Moongu JEON, Byunggeun LEE, Ahmad Muqeem SHERI, Hyunguk CHOI
Life of this patent
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Abstract
Example embodiments relate to a synapse circuit connecting neuron circuits by using two memristors so as to enhance symmetry, a neuromorphic circuit using the same, and a unit cell composing the neuromorphic circuit.
Claims20
A synapse circuit connecting a plurality of neuron circuits, the synapse circuit comprising:
- a first memristor connected to a pre-synaptic neuron circuit;
- a second memristor connected to the pre-synaptic neuron circuit;
- and
- an adder configured to output a sum of signals, respectively output from the first and second memristors, to a post-synaptic neuron circuit.
1 more element
A unit cell of a neuromorphic circuit, the unit cell comprising:
- a pre-synaptic neuron circuit;
- a post-synaptic neuron circuit;
- and
- a synapse circuit configured to connect the pre-synaptic neuron circuit and the post-synaptic neuron circuit,
- wherein the synapse circuit is configured to output a sum of signals, respectively output from two memristors connected to the pre-synaptic neuron circuit, to the post-synaptic neuron circuit.
2 more elements
A neuromorphic circuit comprising:
- a plurality of pre-synaptic neuron circuits;
- a plurality of post-synaptic neuron circuits;
- and
- a plurality of synapse circuits arranged in a grid structure, each synapse circuit including two memristors, and configured to output a sum of signals respectively output from the two memristors,
- wherein,
- the plurality of synapse circuits on a same row in the grid structure are connected to one of the plurality of pre-synaptic neuron circuits, and
- the plurality of synapse circuits on a same column in the grid structure are connected to one of the plurality of post-synaptic neuron circuits.
4 more elements
Dependencies are inferred from the claim text.