Producing spike-timing dependent plasticity in a neuromorphic network utilizing phase change synaptic devices

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United States of America Patent

PATENT NO 9953261
SERIAL NO

14990720

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Abstract

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Embodiments of the invention relate to a neuromorphic network for producing spike-timing dependent plasticity. The neuromorphic network includes a plurality of electronic neurons and an interconnect circuit coupled for interconnecting the plurality of electronic neurons. The interconnect circuit includes plural synaptic devices for interconnecting the electronic neurons via axon paths, dendrite paths and membrane paths. Each synaptic device includes a variable state resistor and a transistor device with a gate terminal, a source terminal and a drain terminal, wherein the drain terminal is connected in series with a first terminal of the variable state resistor. The source terminal of the transistor device is connected to an axon path, the gate terminal of the transistor device is connected to a membrane path and a second terminal of the variable state resistor is connected to a dendrite path, such that each synaptic device is coupled between a first axon path and a first dendrite path, and between a first membrane path and said first dendrite path.

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Patent Owner(s)

Patent OwnerAddress
INTERNATIONAL BUSINESS MACHINES CORPORATIONNEW ORCHARD ROAD ARMONK NY 10504

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Friedman, Daniel J Sleepy Hollow, US 112 3117
Kim, Seongwon Old Tappan, US 50 290
Lam, Chung H Peekskill, US 257 3607
Modha, Dharmendra S San Jose, US 236 4496
Rajendran, Bipin White Plains, US 69 1823
Tierno, Jose A Stamford, US 59 743

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