Write strategies for 2 and 4-bit multi-level phase-change memory

  • T. Nirschl
  • , J. B. Philipp
  • , T. D. Happ
  • , G. W. Burr
  • , B. Rajendran
  • , M. H. Lee
  • , A. Schrott
  • , M. Yang
  • , M. Breitwisch
  • , C. F. Chen
  • , E. Joseph
  • , M. Lamorey
  • , R. Cheek
  • , S. H. Chen
  • , S. Zaidi
  • , S. Raoux
  • , Y. C. Chen
  • , Y. Zhu
  • , R. Bergmann
  • , H. L. Lung
  • C. Lam

Research output: Contribution to journalConference articlepeer-review

244 Scopus citations

Abstract

We discuss novel multi-level write algorithms for phase change memory which produce highly optimized resistance distributions in a minimum number of program cycles. Using a novel integration scheme, a test array at 4bits/cell and a 32kb memory page at 2bits/cell are experimentally demonstrated.

Original languageEnglish (US)
Article number4418973
Pages (from-to)461-464
Number of pages4
JournalTechnical Digest - International Electron Devices Meeting, IEDM
DOIs
StatePublished - 2007
Externally publishedYes
Event2007 IEEE International Electron Devices Meeting, IEDM - Washington, DC, United States
Duration: Dec 10 2007Dec 12 2007

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Materials Chemistry

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