Analytical expression for operating speed of GaAs SCFL D-type flip-flops

Tadashi Maeda, Masahiro Fujii

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


This article describes a simple, analytical expression for the operating speed of SCFL D-type flip-flops in terms of steady-state sinusoidal analysis. The analysis considers the output voltage swing variation caused by the fluctuation of the threshold voltage. The flip-flop maximum operating speed (fOPmax) has a linear dependence on the cut-off frequency (fT), and the large standard deviation of threshold voltage reduces the/OPmax. This analytical result agrees well with the experimental results.

Original languageEnglish
Pages (from-to)1687-1691
Number of pages5
JournalSolid-State Electronics
Issue number11
Publication statusPublished - 1997 Nov
Externally publishedYes

ASJC Scopus subject areas

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


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