The DOI matches its Crossref record; 76 of the 76 references it cites were found in a registry or an index.
A reconfigurable on-line learning spiking neuromorphic processor comprising 256 neurons and 128K synapses
Open accessAbstract
Implementing compact, low-power artificial neural processing systems with real-time on-line learning abilities is still an open challenge. In this paper we present a full-custom mixed-signal VLSI device with neuromorphic learning circuits that emulate the biophysics of real spiking neurons and dynamic synapses for exploring the properties of computational neuroscience models and for building brain-inspired computing systems. The proposed architecture allows the on-chip configuration of a wide range of network connectivities, including recurrent and deep networks, with short-term and long-term plasticity. The device comprises 128 K analog synapse and 256 neuron circuits with biologically plausible dynamics and bi-stable spike-based plasticity mechanisms that endow it with on-line learning abilities. In addition to the analog circuits, the device comprises also asynchronous digital logic circuits for setting different synapse and neuron properties as well as different network configurations. This prototype device, fabricated using a 180 nm 1P6M CMOS process, occupies an area of 51.4 mm(2), and consumes approximately 4 mW for typical experiments, for example involving attractor networks. Here we describe the details of the overall architecture and of the individual circuits and present experimental results that showcase its potential. By supporting a wide range of cortical-like computational modules comprising plasticity mechanisms, this device will enable the realization of intelligent autonomous systems with on-line learning capabilities.
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Memory devices and applications for in-memory computing
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Advancing Neuromorphic Computing With Loihi: A Survey of Results and Outlook
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Metadata
- Authors
- Qiao, N., Mostafa, H., Corradi, F., Osswald, M., Stefanini, F., Sumislawska, D., & Indiveri, G.
- Venue
- Frontiers in Neuroscience
- Publisher
- Frontiers Media SA
- Published
- 2015-04-29
- Volume
- 9
- Pages
- 141-141
- ISSN
- 1662-453X (ISSN-L)
- OpenAlex
- W1975398991
- Cited by
- 698
- References
- 76
- FWCI
- 26.62
- Type
- journal article
- Language
- en
- Open access
- gold
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