cmos circuit design using microwind design tool

MICROWIND is truly integrated EDA software encompassing IC designs from concept to completion, enabling chip designers to design beyond their imagination. MICROWIND integrates traditionally separated front-end and back-end chip design into an integrated flow, accelerating the design cycle and reduced design complexities.

It tightly integrates mixed-signal implementation with digital implementation, circuit simulation, transistor-level extraction and verification – providing an innovative education initiative to help individuals to develop the skills needed for design positions in virtually every domain of IC industry.


The trend of CMOS technology improvement continues to be driven by the need to integrate more functions within a given silicon area, reduce the fabrication cost, increase operating speed and dissipate less power. Past few years have seen the introduction of nanoscale technologies for industrial production of high performance integrated circuits (IC).

Shifting to a new technology node impacts upon the design methodology, and requires improved technology models and tools to accurately predict the performances of the circuits. Engineering students need to be abreast themselves with the rapid changes in technology and design practices. Courses in IC Design must also aim to equip students with the skills of independent learning and lifelong learning. Due to time constraints in a semester long course it is often not feasible to introduce students to complex commercial design tools and at the same time expect them to develop practical circuit design skills and independent learning skills.

We present project-based approaches to teaching adopted in two institutions in Australia and France, both aimed at actively engaging students in stimulating learning experiences for the development professional design skills using the latest semiconductor technologies. We also illustrate the educational tool Microwind, developed to support the design of CMOS basic cells and well suited to project-based learning approach. In this paper, we focus on educational developments, teaching challenges, proposed design flow and associated tools in the light of these issues. We also present evaluation of the courses by UniSA and INSA students based on the same evaluation questionnaire.

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  1. Guru

    MICROWIND, Inc. based in Toulouse, France, is dedicated to provide innovative EDA solutions to the mixed-signal IC market.

    With our up to date MICROWIND layout tool and design methodologies one can transfer product ideas into highly integrated ASIC and IC solutions.

    MICROWIND software tool is the industry’s most comprehensive package dedicated to microelectronics and nanotechnology; deep-technology business of ASIC and custom IC design and simulation, as well as the latest in electronic design automation design.

    Technically speaking, the MICROWIND 3 is a comprehensive solution for designing and simulating microelectronic circuits at layout level with different modules for layout designs upto 45 nm, schematic editor, mixed signal and analog simulator, memory simulator, real-time 3D display of the atomic structure of silicon and virtual fabrication process in 3-D view, verilog and SPICE support; combined in one package.

    To ensure that your ASIC design begins quickly and flows smoothly, MICROWIND includes intensive process, design, and tool training as part of your startup package. During this training, you will have the opportunity to discuss your application with our experienced designers or applications engineers.

  2. Guru

    The MICROWIND software allows the designer to simulate and design an integrated circuit at physical description level.

    Microwind3 unifies schematic entry, pattern based simulator, SPICE extraction of schematic, Verilog extractor, layout compilation, on layout mix-signal circuit simulation, cross sectional & 3D viewer, netlist extraction, BSIM4 tutorial on MOS devices and sign-off correlation to deliver unmatched design performance and designer productivity.

    The package contains a library of common logic and analog ICs to view and simulate.

    Microwind3 includes all the commands for a mask editor as well as, you can gain access to Circuit Simulation by pressing just one single key. The electric extraction of your circuit is automatically performed and the analog simulator produces voltage and current curves immediately.

    The tool features full editing facilities, various views, and an on-line analog simulator.

    The MICROWIND software has following segments in it:

    DSCH Schematic Editor and Simulator

    nanoLambda Precision CMOS Layout tool upto 22 nanometers
    VirtuosoFab Touch the Deep-Sub Micron Technology
    PROthumb Mixed Signal Simulation and Analysis
    PROtutor MOS characteristic viewer and trainer
    MEMsim Non Volatile Floating Gate Memory Simulators