WITH EFFECT FROM THE ACADEMIC YEAR 2012 - 2013
EE 304
DIGITAL ELECTRONICS AND LOGIC DESIGN
(Common to IE & EEE)
Instruction 4 Periods per week
Duration of University Examination 3 Hours
University Examination 75 Marks
Sessional 25 Marks
UNIT-I
Boolean Algebra and combinational logic AND,OR and NOT operations, Laws of Boolean Algebra, minimization of Boolean expressions, Truth tables and maps sum of products and product of sums -map method of reduction, incompletely specified functions multiple output minimization.
UNIT-II
Tabular minimization, Digital logic families and IC’s, Characteristics of Digital IC’s, Introduction to RTL, DTL, TTL, CMOS, ECL families, Details of TTL logic family -totem pole, open collector outputs. Wired AND operation, comparison of performance, TTL subfamilies, multiplexer and de-multiplexer, encoder and decoder, code converters, implementation of combinational logic using standard logic gates and multiplexers.
UNIT-III
Binary arithmetic and circuits -Half and Full adder- subtractor and Magnitude comparator, number complements-two’s complement arithmetic, carry look ahead adder, decimal numbers and their codes, BCD and Excess-3 arithmetic.
UNIT-IV
Synchronous Sequential Circuits -Basic latch circuit -debouncing switch - SR., JK, D and T flip-flops-truth table and excitation table -ripple and synchronous counters up/down counter -general BCD counter- Counter decoding-shift registers, ring counters.
7 8
UNIT-V
Design of Digital Systems -Concept of state. State diagram-design of counters Sequence detector and generators -Design procedure, synthesis using D, JK, T flip-flops -applications of registers -concepts of programmable logic -PROM, PLA, PAL.
Suggested Reading:
- 1.Donald Pleach / Albert Paul Malvino / Goutam Saha “Digital Principles and Applications" McGraw- Hill, 2006.
- 2.Tocci & Widmer, Digital Systems-Pearson Education-Eigth Edition, 2003.
- 3.Morris Mano M.., Digital Design, Prentice Hall of India, Third Edition, 2002.
- 4.B. Somnadh Nair, Digital Electronics and Logic Design, Prentice Hall, India, 2002.
- 5.Floyd, Digital Fundamentals, 4th edition, Universal Book Stall, New Delhi, 1992.
- 6.J.P. Uyemura, A First Course in Digital Systems Design, Brooks/ Cole Publishing Co., (Available from Vikas Publishing House in India).