The charge controlled analog synapse

Aharon J. Agranat; Offer Schwartsglass; Joseph Shappir

doi:10.1016/0038-1101(96)00055-X

The charge controlled analog synapse

Aharon J. Agranat^*, Offer Schwartsglass, Joseph Shappir

^*Corresponding author for this work

Department of Applied Physics

Research output: Contribution to journal › Review article › peer-review

2 Scopus citations

Abstract

A generic circuit, the charge controlled analog synapse (CCAS) is presented. The CCAS is designed to be the basic building block in microelectronic realizations of large scale artificial neural networks. It is based on representing the synaptic strength as a charge packet which controls the junction capacitance of a reverse biased diode. The CCAS is a synapse with three main features: (i) a small cell with few components per cell; (ii) a short term dynamic memory, and (iii) a variable accuracy which depends on the cell size. The principle of operation of the CCAS is explained. Details of the design of a first prototype are given. Experimental results which substantiate the theoretical predictions are presented. Finally, the basic properties of the CCAS are discussed.

Original language	English
Pages (from-to)	1435-1439
Number of pages	5
Journal	Solid-State Electronics
Volume	39
Issue number	10
DOIs	https://doi.org/10.1016/0038-1101(96)00055-X
State	Published - Oct 1996

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title = "The charge controlled analog synapse",

abstract = "A generic circuit, the charge controlled analog synapse (CCAS) is presented. The CCAS is designed to be the basic building block in microelectronic realizations of large scale artificial neural networks. It is based on representing the synaptic strength as a charge packet which controls the junction capacitance of a reverse biased diode. The CCAS is a synapse with three main features: (i) a small cell with few components per cell; (ii) a short term dynamic memory, and (iii) a variable accuracy which depends on the cell size. The principle of operation of the CCAS is explained. Details of the design of a first prototype are given. Experimental results which substantiate the theoretical predictions are presented. Finally, the basic properties of the CCAS are discussed.",

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AB - A generic circuit, the charge controlled analog synapse (CCAS) is presented. The CCAS is designed to be the basic building block in microelectronic realizations of large scale artificial neural networks. It is based on representing the synaptic strength as a charge packet which controls the junction capacitance of a reverse biased diode. The CCAS is a synapse with three main features: (i) a small cell with few components per cell; (ii) a short term dynamic memory, and (iii) a variable accuracy which depends on the cell size. The principle of operation of the CCAS is explained. Details of the design of a first prototype are given. Experimental results which substantiate the theoretical predictions are presented. Finally, the basic properties of the CCAS are discussed.

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The charge controlled analog synapse

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