Principles of combinational logic:
Definition of combinational logic, canonical forms, Generation of switching equations from truth tables, Karnaugh maps-3,4,5 variables, Incompletely specified functions (Don‘t care terms) Simplifying Max term equations, Quine-McClusky techniques – 3 & 4 variables.
(Text 1 - Chapter 3)
Analysis and design of combinational logic:
Decoders, Encoders, Digital multiplexers, Adders and subtractors, Look ahead carry, Binary comparators.(Text 1 - Chapter 4). Programmable Logic Devices, Complex PLD, FPGA.
(Text 3 - Chapter 9, 9.6 to 9.8)
Flip-Flops and its Applications:
Basic Bistable elements, Latches, The master-slave flipflops (pulse-triggered flip-flops): SR flip-flops, JK flip-flops, Characteristic equations, Registers, binary ripple counters, and synchronous binary counters.
(Text 2 - Chapter 6)
Sequential Circuit Design:
Design of a synchronous counter,Design of a synchronous mod-n counter using clockedJK, D, T and SR flip-flops. (Text 2 - Chapter 6) Mealy and Moore models, State machine notation, Construction of state diagrams.
(Text 1 - Chapter 6)
Applications of Digital Circuits:
Design of a Sequence Detector, Guidelines for construction of state graphs, Design Example – Code Converter, Design of Iterative Circuits (Comparator), Design of Sequential Circuits using ROMs and PLAs,CPLDs and FPGAs, Serial Adder with Accumulator, Design of Binary Multiplier, Design of Binary Divider.
(Text 3 – 14.1, 14.3, 16.2, 16.3, 16.4, 18.1, 18.2, 18.3)
Course Outcomes:
After studying this course, students will be able to:
• Explain the concept of combinational and sequential logic circuits.
• Design the combinational logic circuits.
• Design the sequential circuits using SR, JK, D, T flip-flops and Mealy & Moore machines
• Design applications of Combinational & Sequential Circuits.
Question paper pattern:
• Examination will be conducted for 100 marks with question paper containing 10 full questions, each of 20 marks.
• Each full question can have a maximum of 4 sub questions.
• There will be 2 full questions from each module covering all the topics of the module.
• Students will have to answer 5 full questions, selecting one full question from each module.
• The total marks will be proportionally reduced to 60 marks as SEE marks is 60.
Text Books:
1. John M Yarbrough,-Digital Logic Applications and Design, Thomson Learning,2001.
2. Donald D. Givone, ―Digital Principles and Designǁ, McGraw Hill, 2002.
3. Charles H Roth Jr., Larry L. Kinney ―Fundamentals of Logic Design, CengageLearning, 7th Edition.
Reference Books:
1. D. P. Kothari and J. S Dhillon, ―Digital Circuits and Designǁ, Pearson, 2016,
2. Morris Mano, ―Digital Designǁ, Prentice Hall of India, Third Edition.
3. K. A. Navas, ―Electronics Lab Manualǁ, Volume I, PHI, 5th Edition, 2015.