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Selfrefreshing analogue memory cell for variable synaptic weights

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4 Author(s)
R. Castello ; Dipartimento di Elettronica, Pavia Univ., Italy ; D. D. Caviglia ; M. Franciotta ; F. Montecchi

An analogue memory cell based on a local selfrefreshing technique is presented. The circuit is suitable for long-term storage of synaptic weights in analogue VLSI implementations of neural networks. The cell refreshes the voltage on a capacitor in a multilevel fashion by automatic comparison and confirmation with a range of discrete levels locally reproduced from an external reference signal.

Published in:

Electronics Letters  (Volume:27 ,  Issue: 20 )