VLSI Design Lab | Lab Module 6: Design and Simulation of Basic Combinational CMOS Logic Gates (NAND/NOR) by Prakhar Chauhan | Learn Smarter
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Lab Module 6: Design and Simulation of Basic Combinational CMOS Logic Gates (NAND/NOR)

The chapter focuses on the design and simulation of basic combinational CMOS logic gates, specifically the NAND and NOR gates. It outlines the objectives, procedures, and experiments necessary for understanding their operational characteristics, with a detailed emphasis on simulations and practical applications in digital VLSI design. Key activities include schematic capture, functional verification, transient analysis, and transistor sizing optimization to enhance performance.

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Sections

  • 1

    Lab Objectives

    The lab objectives outline the essential skills and knowledge students will gain from the CMOS combinational logic module, particularly in designing, verifying, and optimizing NAND and NOR gates.

    Learning Practice

  • 2

    Pre-Lab Preparation

    This section emphasizes the importance of thorough pre-lab preparation for success in laboratory exercises focused on combinational CMOS logic gates.

    Learning Practice

  • 3

    Required Tools & Materials

    This section outlines the essential tools and materials needed for designing and simulating CMOS combinational logic gates.

    Learning Practice

  • 4

    Lab Procedures & Experiments

    This section outlines the procedures for designing, verifying, and optimizing CMOS logic gates, focusing on NAND and NOR gate configurations.

    Learning Practice

  • 4.1

    Experiment 1: Detailed Schematic Capture Of 2-Input Cmos Logic Gates

    This section focuses on the procedural framework for accurately capturing the transistor-level schematics of 2-input NAND and NOR CMOS logic gates in an EDA environment.

    Learning Practice

  • 4.1.1

    Objective

    This section outlines the objectives for the laboratory module on designing and simulating basic combinational CMOS logic gates, specifically NAND and NOR gates.

    Learning Practice

  • 4.1.2

    Procedure

    This section describes the procedure for designing and simulating basic combinational CMOS logic gates, specifically NAND and NOR gates.

    Learning Practice

  • 4.1.2.1

    Part A: 2-Input Nand Gate Schematic (Nand2_initial)

    This section focuses on the design and schematic representation of a 2-input NAND gate in CMOS technology.

    Learning Practice

  • 4.1.2.2

    Part B: 2-Input Nor Gate Schematic (Nor2_initial)

    This section outlines the schematic design for a 2-input NOR gate using CMOS technology, detailing the necessary steps to create, verify, and optimize the circuit.

    Learning Practice

  • 4.2

    Experiment 2: Comprehensive Dc Functional Verification (Truth Table & Vtc)

    This section covers the process of verifying the static logic functionality of CMOS NAND and NOR gates using truth tables and voltage transfer characteristics (VTC).

    Learning Practice

  • 4.2.1

    Objective

    This section outlines the objectives of the lab module on CMOS combinational logic gates, specifically focusing on NAND and NOR gate design and simulations.

    Learning Practice

  • 4.2.2

    Procedure

    This section outlines the procedural details for designing and simulating basic combinational CMOS logic gates, particularly 2-input NAND and NOR gates.

    Learning Practice

  • 4.3

    Experiment 3: Detailed Transient Simulation And Worst-Case Delay Measurement

    This section focuses on comprehensively characterizing the dynamic switching behavior of NAND and NOR gates through transient simulations and measuring their worst-case propagation delays.

    Learning Practice

  • 4.3.1

    Objective

    This section outlines the objectives of a lab focused on designing and simulating basic combinational CMOS logic gates, specifically NAND and NOR gates.

    Learning Practice

  • 4.3.2

    Procedure

    This section outlines the detailed procedures and objectives for the lab activities focused on the design, verification, and simulation of CMOS NAND and NOR logic gates.

    Learning Practice

  • 4.4

    Experiment 4: Qualitative Introduction To Logical Effort And Relative Speed

    This section introduces the concept of logical effort and relative speed by comparing the delay properties of NAND and NOR gates to an inverter.

    Learning Practice

  • 4.4.1

    Objective

    This section outlines the learning objectives for the lab module on the design and simulation of commutational CMOS logic gates.

    Learning Practice

  • 4.4.2

    Procedure

    This section outlines the laboratory procedures for designing, simulating, and verifying the functionality of basic CMOS logic gates, specifically NAND and NOR gates.

    Learning Practice

  • 4.5

    Experiment 5: Strategic Transistor Sizing For Performance Optimization

    This section addresses the systematic optimization of transistor sizing in CMOS NAND and NOR gates to enhance performance and speed balance.

    Learning Practice

  • 4.5.1

    Objective

    This section outlines the objectives and goals for a laboratory module focused on designing and simulating combinational CMOS logic gates, particularly NAND and NOR gates.

    Learning Practice

  • 4.5.2

    Procedure

    This section outlines the procedural steps essential for designing and simulating basic combinational CMOS logic gates, specifically NAND and NOR gates, with an emphasis on preparation, experimentation, and analysis.

    Learning Practice

  • 6

    Lab Report Guidelines

    The Lab Report Guidelines outline the necessary components and structure for a comprehensive lab report on CMOS combinational logic design.

    Learning Practice

  • 6.1

    Report Structure

    This section outlines the essential components of a comprehensive lab report, detailing objectives, pre-lab preparation, tools used, experimental procedures, results, and formatting guidelines.

    Learning Practice

  • 6.2

    Formatting And Style Guidelines

    This section outlines the essential formatting and style guidelines for lab reports in digital VLSI design.

    Learning Practice

References

Untitled document (14).pdf

Class Notes

Memorization

What we have learnt

  • Students will learn to desi...
  • The chapter emphasizes the ...
  • Understanding logical effor...

Final Test

Revision Tests