Exploratory logic synthesis for multiple independent gate FETs

Exploratory logic synthesis for multiple independent gate FETs

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The use of multiple independent gate field effect transistors (MIGFETs) is a promising scaling path for digital electronics. While a MIGFET functionality increases with the number of gates, also its physical implementation cost grows. In this book chapter, the authors address this question from a logic synthesis standpoint. The aim is to determine whether or not an increasing number of gates leads to more compact design implementations. They propose a logic synthesis methodology that exploits at a fine grain a switching function for a target MIGFET, potentially being any Boolean function. By using device and interconnect models, they estimate the characteristics of the synthesized circuits.

Chapter Contents:

  • 11.1 Introduction
  • 11.2 Survey on emerging MIGFETs
  • 11.2.1 Double-gate silicon nanowire field effect transistor
  • 11.2.2 Independent-gate-FinFET-LVth
  • 11.2.3 Independent-gate-FinFET-HVth
  • 11.2.4 Triple-gate-floating-gate metal-oxide-semiconductor (MOS)
  • 11.2.5 Triple-gate-silicon nanowire field effect transistor
  • 11.2.6 Logic abstraction and discussion
  • 11.3 Logic synthesis for MIGFETs
  • 11.3.1 Brief overview on logic synthesis
  • 11.3.2 Circuit design considerations
  • 11.3.3 Synthesis methodology
  • 11.4 Experimental results
  • 11.4.1 Methodology
  • Benchmarks MIGFETs
  • Estimation models
  • Synthesis tool
  • 11.4.2 Results
  • 11.4.3 Discussion
  • 11.5 Custom exploration of special MIGFET classes
  • 11.5.1 Potential of XOR MIGFETs
  • 11.5.2 Potential of MAJ MIGFETs
  • 11.5.3 Summary
  • 11.6 Conclusions
  • References

Inspec keywords: semiconductor device models; MOSFET; interconnections; logic design

Other keywords: design; digital electronics; physical implementation cost; gates; logic synthesis; Boolean function; multiple independent gate FETs; MIGFETs

Subjects: Insulated gate field effect transistors; Semiconductor device modelling, equivalent circuits, design and testing

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