• DocumentCode
    3474844
  • Title

    A ring oscillator based reliability structure for NBTI & PBTI measurement

  • Author

    Xiqing Wang ; Jie Hong ; Yandong He ; Ganggang Zhang ; Lin Han ; Xing Zhang

  • Author_Institution
    Inst. of Microelectron. & Key Lab. of Microelectron. Devices & Circuits, Peking Univ., Beijing, China
  • fYear
    2013
  • fDate
    3-5 June 2013
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    A ring oscillator based structure in digital circuits is presented for measuring NBTI and PBTI effects. The proposed test structure enables simultaneous stress of all devices under tests in either NBTI or PBTI mode and measures frequency degradation or the threshold voltage shift. The threshold voltage shift due to NBTI or PBTI can be directly read out in the proposed circuit which has been designed in a 1.2V, 90nm technology.
  • Keywords
    CMOS digital integrated circuits; integrated circuit reliability; oscillators; NBTI; PBTI; digital circuits; frequency degradation; negative bias temperature instability; positive bias temperature instability; reliability test; ring oscillator based reliability structure; size 90 nm; threshold voltage shift; voltage 1.2 V; Monitoring; Reliability; TV; NBTI; PBTI; reliability test; ring oscillator;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Electron Devices and Solid-State Circuits (EDSSC), 2013 IEEE International Conference of
  • Conference_Location
    Hong Kong
  • Type

    conf

  • DOI
    10.1109/EDSSC.2013.6628048
  • Filename
    6628048