LSI neural chip of pulse-output network with programmable synapse

Shigeo Sato, Manabu Yumine, Takayuki Yama, Junichi Murota, Koji Nakajima, Yasuji Sawada

研究成果: Article査読

2 被引用数 (Scopus)

抄録

We have fabricated a microchip of a neural circuit with pulse representation. The neuron output is a voltage pulse train. The synapse is a constant current source whose output is proportional to the duty ratio of neuron output. Membrane potential is charged by collection of synaptic currents through a RC circuit, providing an analog operation similar to the biological neural system. We use a 4-bit SRAM as the memory for synaptic weights. The expected I/O characteristics of the neurons and the synapses were measured experimentally. We have also demonstrated the capability of network operation with the use of synaptic weights, for solving the A/D conversion problem.

本文言語English
ページ(範囲)94-100
ページ数7
ジャーナルIEICE Transactions on Electronics
E78-C
1
出版ステータスPublished - 1995 1 1

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 電子工学および電気工学

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