Digital Electronics

Digital Electronics is a very important subject for a successful career in VLSI and Embedded Systems field. Major job profiles in the semiconductor industry look for strong digital concepts. This subject is also equally important for ECE, EEE, and CSE branches during B.Tech degree and for GATE as well as competitive examinations.

Here you can find detailed theory, video lectures, worked-out examples (including questions from different competitive exams), circuit simulations, industry-asked questions, exam tips and many more related to Digital Electronics.

For Theory, we will follow the following books:

  • Floyd, Thomas L. Digital Fundamentals, 11/e. Pearson Education India. Buy Book
  • Mano, Moris M. Digital Design, 3/e. Pearson. Buy Book
  • Wakerly, John F. Digital Design, 3/e. Prentice Hall. Buy Book
  • Maini, Anil K. Digital electronics: principles, devices and applications. John Wiley & Sons. Buy Book

Following is the Table of Content for Digital Electronics

  1. Introduction
  2. Number System
  3. Logic Gates
    • Logic Levels
    • Truth Table
    • Timing Diagram
    • Logic gates – Working, Symbol and Truth Table
    • Construction of Larger Circuit using Logic Gates
    • Logic Gates Application
    • Logic gate ICs
  4. Boolean Algebra
    • Boolean Function, Laws and Rules of Boolean Algebra
    • Boolean Analysis of Logic Circuit and Construction of Truth Table
    • Simplification using Boolean Algebra
    • Standard Expression (SoP, PoS) and conversion (minterm, maxterm), Standard form to Truth table and Truth table to standard form
  5. K-Map
    • Minimization, Implicants, Essentials
    • K-map to truth table and vice versa
    • More than 4 variables K-map
  6. Logic Conversion
    • AOI implementation
    • Implementation of gate-level Combinational logic using K-map minimization
    • Universal nature of NAND and NOR logics
    • Use of Logic Functions
  7. Combinational Logic
    • Adders
    • Comparators
    • Decoders
    • Encoders, Code Converters
    • Multiplexer
    • Gates from Multiplexer
    • Demultiplexers
    • Parity Generator and Checkers
  8. Sequential Logic
    • Latches
    • Flipflops
    • Flip-flop Operating Characteristics
    • Asynchronous Counter
    • Synchronous Counter
    • Up-Down Counter
    • Design of Counter using flip-flop
    • Shift Register
    • Jonshon Counter, Ring Counter
    • Application of Shift Register
  9. Logic Families
  10. Semiconductor Memories