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Impact of RTN and Variability on RRAM-Based Neural Network

  • P. Freitas
  • , Z. Chai
  • , W. Zhang
  • , J. F. Zhang
  • , J. Marsland
  • Liverpool John Moores University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

3 Scopus citations

Abstract

Resistive switching memory devices can be categorized into filamentary RRAM or non-filamentary RRAM depending on the switching mechanisms. Both types of RRAM devices have been studied as novel synaptic devices in hardware neural networks. In this work, we analyze the amplitude of Random Telegraph Noise (RTN) and program-induced variabilities in both TaOx/Ta2Os filamentary and TiO2/a-Si (a-VMCO) non-filamentary RRAM devices and evaluate their impact on the pattern recognition accuracy of neural networks. It is revealed that the non-filamentary RRAM has a tighter RTN amplitude distribution than its filamentary counterpart, and also has much lower programed-induced variability, which lead to much smaller impact on the recognition accuracy, making it a promising candidate in synaptic application.

Original languageEnglish
Title of host publication2020 IEEE 15th International Conference on Solid-State and Integrated Circuit Technology, ICSICT 2020 - Proceedings
EditorsShaofeng Yu, Xiaona Zhu, Ting-Ao Tang
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728162355
DOIs
StatePublished - 3 Nov 2020
Externally publishedYes
Event15th IEEE International Conference on Solid-State and Integrated Circuit Technology, ICSICT 2020 - Virtual, Kunming, China
Duration: 3 Nov 2020 → 6 Nov 2020

Publication series

Name2020 IEEE 15th International Conference on Solid-State and Integrated Circuit Technology, ICSICT 2020 - Proceedings

Conference

Conference15th IEEE International Conference on Solid-State and Integrated Circuit Technology, ICSICT 2020
Country/TerritoryChina
CityVirtual, Kunming
Period3/11/20 → 6/11/20

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