Course Description

This course provides an introduction to the fundamental concepts in the basics of combinational as well as sequential logic along with the basics of Digital Circuits and its application.

Course Objectives

To understand basic principles of digital logic design, its implementation and application.

Course Contents

1. Unit 1

4 hrs

1.1. Introduction to Digital signals

1.2. Digital wave form and logic

1.3. Digital IC signal levels and clock wave form

1.4. Number Systems: Decimal, Binary, octal, and hexa-decimal number systems and base conversion

1.5. Codes: BCD code, excess-3 code, gray code

2. Unit 2

4 hrs

2.1. Logic families: Positive logic and Negative Logic, AND, OR, NOT gates

2.2. Universal logic gates NAND, NOR

2.3. X-OR and X-NOR GATE

3. Unit 3

6 hrs

3.1. Boolean Laws and Theorems

3.2. Sum of product methods and simplification

3.3. Product of Sum method and simplification

3.4. Karnaugh Map method – Two, three, four, five variable K-maps

3.5. Converting Boolean expressions to Logic and Vice versa, NAND and NOR implementation

3.6. Don't-Care conditions

3.7. The Tabulation method

4. Unit 4

8 hrs

4.1. Introduction to Combinational logic

4.2. Design of half adder and full adder

4.3. Design of half subtractor, full subtractor and parallel binary adder/subtractor

4.4. Design and implementation of Multiplexer, Multiplexer tree

4.5. Design and implementation of DE-Multiplexer, De.Multiplexer tree

4.6. Decoder

4.7. Encoder

4.8. Parity generators and checker

5. Unit 5

8 hrs

5.1. Introduction to Sequential Circuit

5.2. RS flip flops and gated flipflops

5.3. Edge triggered RS, D, JK and T flipflops, characteristic equation and table

5.4. Realization of one flip flop using other flip flops, JK Master-Slave flip flop

5.5. Flip flop timing

5.6. Shift registers, SISO, SIPO, PISO, PIPO Universal shift registers

5.7. ring counter and shift counter

5.8. Design of sequence generators

6. Unit 6

6 hrs

6.1. Introduction to digital counter, Modulus

6.2. Asynchronous: ripple counter, Decade counter

6.3. Up/Down counter

6.4. Changing the counter Modulus

6.5. Synchronous Counter

6.6. Counter design

6.7. Application of digital counter; digital clock

7. Unit 7

7 hrs

7.1. Introduction to Sequential State Machines

7.2. Types of State Machines

7.3. State Diagram, State Table, State Assignment

7.4. Moore and Mealy Model

7.5. State Machine Examples and Design Principles

7.6. Hazzards in asynchronous system

8. Unit 8

5 hrs

8.1. Computer Memory; RAM and ROM

8.2. ROM Organisation - PROM, EPROM, EEPROM, EAPROM

8.3. RAM organization - Write and Read operation, Memory cycle and Timing wave forms

8.4. Memory decoding and memory expansion

Laboratory Works

Practical work included studying the operation of logic gates, implementing and verifying their truth tables, and analyzing the behavior of various combinational and sequential logic circuits.

1.Understand the functioning of logic gates, their implementation and verification of truth tables
2.Develop the understanding of the working of different combinational logic circuits.
3.Understand and verify the working of various sequential logic circuits

Reference Books

1.Thomas L. Floyd, "Digital Fundamentals", 8th Edition, Pearson Education Inc, 2004
2.John.M Yarbrough, "Digital Logic Applications and Design", Thomson Learning, 2006.
3.John F.Wakerly, "Digital Design", Fourth Edition, Pearson/PHI, 2008
4.M. Morris Mano, "Digital Design", 4th Edition, Prentice Hall of India Pvt. Ltd., 2008 / Pearson Education (Singapore) Pvt. Ltd., New Delhi, 2003

Digital Logics

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TabFlux . Digital Logic . FWU . B.E. Computer

Digital Logic

Course Description

Course Objectives

Course Contents

Laboratory Works

Reference Books

Notes: