EE2255 DIGITAL LOGIC CIRCUITS SYLLABUS

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AIM

To introduce the fundamentals of Digital Circuits, combinational and sequential circuit.

OBJECTIVES

i. To study various number systems and to simplify the mathematical

expressions

using Boolean functions – simple problems.

ii. To study implementation of combinational circuits

iii. To study the design of various synchronous and asynchronous circuits.

iv. To expose the students to various memory devices.

v. To introduce digital simulation techniques for development of application

oriented logic circuit.

1. BOOLEAN ALGEBRA AND COMBINATIONAL CIRCUITS 9

Boolean algebra: De-Morgan’s theorem, switching functions and simplification using

K-maps & Quine McCluskey method, Design of adder, subtractor, comparators, code

converters, encoders, decoders, multiplexers and demultiplexers.

2. SYNCHRONOUS SEQUENTIAL CIRCUITS 9

Flip flops - SR, D, JK and T. Analysis of synchronous sequential circuits; design of

synchronous sequential circuits – Counters, state diagram; state reduction; state

assignment.

3. ASYNCHRONOUS SEQUENCTIAL CIRCUIT 9

Analysis of asynchronous sequential machines, state assignment, asynchronous

design problem.

4. PROGRAMMABLE LOGIC DEVICES, MEMORY AND LOGIC FAMILIES 9

Memories: ROM, PROM, EPROM, PLA, PLD, FPGA, digital logic families: TTL, ECL,

CMOS.

5. VHDL

RTL Design – combinational logic – Types – Operators – Packages – Sequential

circuit – Sub programs – Test benches. (Examples: adders, counters, flipflops, FSM,

Multiplexers / Demltiplexers).

L = 45 T = 15 Total = 60

TEXT BOOKS

1. Raj Kamal, ‘ Digital systems-Principles and Design’, Pearson education 2nd edition,

2007

2. M. Morris Mano, ‘Digital Design’, Pearson Education, 2006.

3. John M.Yarbrough, ‘Digital Logic, Application & Design’, Thomson, 2002.

REFERENCES

1. Charles H.Roth, ‘Fundamentals Logic Design’, Jaico Publishing, IV edition, 2002.

2. Floyd and Jain, ‘Digital Fundamentals’, 8th edition, Pearson Education, 2003.

3.John F.Wakerly, ‘Digital Design Principles and Practice’, 3rd edition, Pearson

Education, 2002.

4. Tocci, “Digital Systems : Principles and aopplications, 8th Edition” Pearson Education.