A Modified Gate Diffusion Input Technique Based Proficient 4 Bit Priority Encoder

Also Available Domains Transistor Logic|Cadence EDA

Project Code :TVMATO439

Objective

The main objective of the paper is to reduce the power in Priority encoder. It can also be implemented with a look ahead logic which produces higher performance but MGDI technique is found to be more efficient when compared to other technologies

Abstract

In this project, 4-bit priority encoder using the modified gate diffusion input technique has been proposed. The priority encoder finds its wide scope as microprocessor interrupt controllers in digital and computer systems, where they classify the highest priority input. A Priority level is assigned to every input. The currently active input that has the highest importance agrees well with the output. 

A simulation was carried out using Cadence 180 nm technology and compared Complementary CMOS with Modified Gate Diffusion Input technique. GDI technique has high speed & limited power consumption. The proposed design is implemented using 180nm technology in Tanner EDA tool.

Keywords: Modified Gate Diffusion Input Technique, Complementary CMOS.

NOTE: Without the concern of our team, please don't submit to the college. This Abstract varies based on student requirements.

Block Diagram

Specifications

Software Requirements:

  • Tanner EDA
  • Technology files:180nm

 Hardware Requirements:

  • Microsoft® Windows XP
  • Intel® Pentium® 4 processor or Pentium 4 equivalent with SSE support 
  • 512 MB RAM 
  • 100 MB of available disk space

Learning Outcomes

  • Introduction to encoders and priority encoders for data transmission
  • Transistors & its applications 
    • Types of Transistors 
    • Logic Gates using Transistors 
    • Pull Up and Pull Down networks 
    • Importance of Transistors
  • MOS Fundamentals
  • NMOS/PMOS/CMOS Technologies
  • How to design circuits using Transistor logic?
  • Transistor level design for encoders and priority encoder circuits
  • How to design low power, high speed area efficient transistor level circuits?
  • Drawbacks in CMOS technology
  • Introduction to GDI technique
  • Drawbacks of GDI technique
  • Introduction to modified GDI technique
  • Transistor level design using GDI technique
  • Scope of priority encoders using GDI technique in today’s world
  • Applications in real time
  • Tanner EDA tool for design and simulation
  • Solution providing for real time problems
  • Project Development Skills:
    • Problem Analysis Skills
    • Problem Solving Skills
    • Logical Skills
    • Designing Skills
    • Testing Skills
    • Debugging Skills
    • Presentation Skills
    • Thesis Writing Skills

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