Subject Code: EC2L004 Name: Digital Electronics Circuits L-T-P: 3-1-0 Credits: 4
Pre-requisite(s):   Introduction to Electronics
Logic gates – AND, OR, NOT, XOR, XNOR, NAND, NOR. combinational logic circuits. Switching functions, Boolean algebra – axioms and laws, minimization of switching functions – algebraic method, K-map, Quine-McCluskey’s method; Number systems & representation – binary, octal, decimal and hexadecimal, code conversion of numbers. Addition and subtraction of binary and decimal numbers; Comparators, multiplexer-demultiplexer, codes and code conversion, PLA; Universal logic gates – NAND-NOR, circuit realization; TTL logic family – circuit operations, fan-in and fan-out, noise margin, tri-state, open-collector circuits; CMOS – circuit operations, fan-in and fan-out, noise margin; TTL-to-CMOS and CMOS-to-TTL interfacing; IC555 chip circuit operation and applications; Astable, monostable, bistable multivibrators – discrete component and IC555 based circuits; Different types of flip-flops – RS, JK, D and T flip-flops; gated, master-slave and edge triggered flip-flops; Different types of Registers; Counters - asynchronous and synchronous counters, design of synchronous counters with any specified sequence; Finite state machine – Moore and Mealey models – examples; Synchronous sequential circuit synthesis: state transition diagrams, state tables, minimization, state assignments, realization with different types of flip-flops; Analysis of  synchronous sequential circuits; Concepts of asynchronous sequential circuits - races.
Text Books:
  1. S. Lee, “Digital Circuits and Logic Design” Prentice Hall India.
  2. D. P. Leach, A. P. Malvino and G. Saha, “Digital Principles and Applications,” Tata McGraw Hill.
  3. M. Morris Mano, “Digital Logic and Computer Design,” Prentice Hall.
Reference Books:
  1. Z. Kohavi and N. K. Jha, “Switching and Finite Automata Theory,” Tata McGraw Hill.