Towards Energy Efficient Cost Effective Toffoli Gate Design using Quantum Cellular Automata
Objective
This work presents an energy-efficient and cost-effective QCA design of a 3X3 Toffoli gate which utilizes the Layered T (LT) logic reduction technique.
Abstract
Quantum-dot cellular automata (QCA) is the most promising area of interest in emerging nanotechnologies due to its extreme-low power dissipation, ultra-high operating speed and diminutive feature size. In addition, developing reversible circuits that do not waste information may further reduce energy losses. The Toffoli gate is the commonly used reversible gate to construct QCA-based reversible circuits. This work presents an energy-efficient and cost-effective QCA design of a 3X3 Toffoli gate which utilises the Layered T (LT) logic reduction technique. The gallium-arsenide heterostructure-based bistable-approximation simulation parameters are used in QCADesigner to verify the functionality of the proposed layout. The QCADesigner tool with a coherence vector (watt/energy) simulation is further employed to assess energy dissipation.
Keywords: cost, energy dissipation, layered-T, toffoli gate, qca-designer
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Block Diagram
Specifications
Software Requirements:
Qca Designer Tool
Minimum Hardware Requirements:
o Microsoft Windows 7
o Intel i3 processor or equivalent
o 4GB RAM
o 100 MB of available disk space
Learning Outcomes
• Basics of Digital Electronics
• VLSI design Flow
• Knowledge of qca
• Understanding Timing Considerations
• Drawbacks of existing methods
• Applications in real time
• Qca designer tool for design and simulation
• Solution providing for real time problems
• Project Development Skills:
o Problem Analysis Skills
o Problem Solving Skills
o Logical Skills
o Designing Skills
Paper Publishing
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