VLSI implementation of pulsating neural networks

Offer Schwartzglass, Aharon J. Agranat*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We describe a generic approach for realizing networks of pulsating neurons based on charge pumping of interface states situated in the channel of MOS transistors. Two basic building blocks will be described: the pulse activated charge pumping (PSCP) synapse, and the charge sensitive oscillator (CSO). The PSCP synapse which operates as either a short or a long term memory device which produces a charge packet proportional to the number of pulses applied to its input, will be described in detail together with experimental results demonstrating its capability. The CSO circuit which is a charge controlled oscillator will be described together with simulations of its output frequency dependence on its input voltage, and the relation between the temporal dependence of output waveform on its input charge.

Original languageAmerican English
Pages (from-to)405-413
Number of pages9
Issue number4
StatePublished - 24 Apr 1996

Bibliographical note

Funding Information:
The authorsw ould like to thank Professor J. Shappir for very fruitful discussions of this work, and the reviewersf or their meticulousw ork. This researchw as supportedb y the Ministry of Sciencea nd the Arts of the State of Israel.


  • Charge pumping
  • Pulse stream neural networks
  • VLSI neural networks


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