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0.4-μm 3.3-V 1T1C 4-Mb nonvolatile ferroelectric RAM with fixed bitline reference voltage scheme and data protection circuit

  • Byung Gil Jeon
  • , Mun Kyu Choi
  • , Yoonjong Song
  • , Seung Kyu Oh
  • , Yeonbae Chung
  • , Kang Deog Suh
  • , Kinam Kim
  • Samsung

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

A 0.4-μm 3.3-V 1T1C 4-Mb nonvolatile ferroelectric random access memory (FRAM) was developed. The FRAM relies on the use of a reference scheme optimally adapted to the entire cell population of an individual device. A simple voltage level detector protects the device against data loss during drops in supply voltage. Finally, a special test mode was implemented to optimize read pulse width. By using these techniques, a high-performance 1T1C 4-Mb FRAM was successfully developed.

Original languageEnglish
Pages (from-to)1690-1694
Number of pages5
JournalIEEE Journal of Solid-State Circuits
Volume35
Issue number11
DOIs
StatePublished - Nov 2000

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