Sathyabama Institute of Science and Technology BE ECE SECA1201 Digital Logic Circuits Syllabus

SATHYABAMA INSTITUTE OF SCIENCE AND TECHNOLOGY

SECA1201 DIGITAL LOGIC CIRCUITS

UNIT 1 NUMBER SYSTEMS, LOGIC FUNCTIONS AND BOOLEAN ALGEBRA 9 Hrs.
Number systems – Number systems conversions - Binary arithmetic – Binary codes – Logic functions-Universal gate
functions - Boolean algebra – Functionally complete operation sets, Reduction of switching equations using Boolean
algebra, Realization of switching function.

UNIT 2 DESIGN OF COMBINATIONAL LOGIC 9 Hrs.
Design procedure of Combinational Logic – Design of two level gate networks -Sum of Products (SOP) - Product of
Sums(POS) - Canonical SOP - Canonical POS - Karnaugh Map - Simplifications of Boolean functions using Karnaugh Map
and implementation using Logic function – Advantages and limitations of K-Map - Tabulation method - Simplifications of
Boolean functions using Tabulation method.

UNIT 3 COMBINATIONAL CIRCUITS 9 Hrs.
Introduction to Combinational circuits – Half Adder, Full Adder - Half Subtractor, Full Subtractor- Parallel binary Adder,
Parallel binary Subtractor - Carry look ahead Adder- BCD Adder- Decoders- Encoders - Priority Encoder- Multiplexers- MUX
as universal combinational modules- Demultiplexers- Code convertors- Magnitude Comparator.

UNIT 4 SEQUENTIAL CIRCUITS 9 Hrs.
Introduction to Sequential circuits – Flip flops – SR, JK, D and T flip flops, Master Slave flip flop, Characteristic and
excitation table – Realization of one flip flop with other flip flops – Registers – Shift registers – Counters – Synchronous and
Asynchronous counters – Modulus counters – Ring Counter – Johnson Counter – State diagram, State table, State
minimization – Hazards.

UNIT 5 DIGITAL LOGIC FAMILIES, MEMORIES AND PROGRAMMABLE DEVICES 9 Hrs.
Classification and characteristics of logic family – Bipolar logic family – Saturated logic family – Non saturated family –
Unipolar family – MOS, CMOS logic families. Classification and Organization of memories – Programmable Logic Devices –
Programmable Logic Array(PLA) – Programmable Array Logic (PAL) – Field Programmable Gate Arrays (FPGA) .
Max. 45 Hrs.

COURSE OUTCOMES
On completion of the course, student will be able to
CO1 - Classify various types of Digital Number systems and Boolean algebra.
CO2 - Illustrate Combinational logic.
CO3 - Design and implement the digital circuit using combinational logic.
CO4 - Design and implmement the digital circuit using sequential logic.
CO5 - Illustrate the digital logic families.
CO6 - Solve the arithmetic expressions using memories and programable logic devices and implement memory units
with Programmable logic devices.

TEXT / REFERENCE BOOKS
1. John M. Yarbrough, “Digital logic: Applications and Design”, Thomas - Vikas Publishing House, 2002.
2. Morris Mano, “Digital design-With an Introduction to the Verilog HDL”, 5th Edition, Pearson, 2013.
3. R.P.Jain, “Modern Digital Electronics”, 4th Edition, TMH, 2010.
4. Thomas L Floyd, “ Digital Fundamentals”, 11th Edition, Pearson, 2015
5. William H. Gothmann, “Digital Electronics”, Prentice Hall, 2001.
6. Tutorial Website:

END SEMESTER EXAMINATION QUESTION PAPER PATTERN
Max. Marks: 100 Exam Duration: 3 Hrs.
PART A: 10 Questions of 2marks each-No choice 20 Marks
PART B: 2 Questions from each unit of internal choice; each carrying 16 marks 80 Marks