• DocumentCode
    1947622
  • Title

    Device sizing for minimum energy operation in subthreshold circuits

  • Author

    Calhoun, Benton H. ; Wang, Alice ; Chandrakasan, Anantha

  • Author_Institution
    Dept. of Electr. Eng., MIT, Cambridge, MA, USA
  • fYear
    2004
  • fDate
    3-6 Oct. 2004
  • Firstpage
    95
  • Lastpage
    98
  • Abstract
    Digital circuits operating in the subthreshold region provide the minimum energy solution for applications with strict energy constraints. This paper examines the effect of sizing on energy for subthreshold circuits. We show that minimum sized devices are theoretically optimal for reducing energy. A fabricated 0.18 μm test chip is used to compare normal sizing and sizing for minimum VDD. Measurements show that existing standard cell libraries offer a good solution for minimizing energy in subthreshold circuits.
  • Keywords
    CMOS logic circuits; integrated circuit design; leakage currents; low-power electronics; 0.18 micron; CMOS logic circuits; device sizing; digital circuits; energy constraints; energy minimization; leakage current; minimum energy operation; standard cell libraries; subthreshold circuits; Capacitance; Circuit testing; Energy consumption; Equations; Inverters; Leakage current; MOS devices; Propagation delay; Semiconductor device measurement; Voltage;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Custom Integrated Circuits Conference, 2004. Proceedings of the IEEE 2004
  • Print_ISBN
    0-7803-8495-4
  • Type

    conf

  • DOI
    10.1109/CICC.2004.1358745
  • Filename
    1358745