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DIGITAL SYSTEMS: Course Objectives and Lecture Plan
Aim: At the end of the course the student will be able to analyze, design, and
evaluate digital circuits, of medium complexity, that are based on SSIs, MSIs, and
programmable logic devices.
Module 1: Number Systems and Codes (3)
Number systems: Binary, octal, and hexa-decimal number systems, binary
arithmetic. Codes: Binary code, excess-3 code, gray code, and error detection and
correction codes.
Module 2: Boolean Algebra and Logic Functions (5)
Boolean algebra: Postulates and theorems. Logic functions, minimization of Boolean
functions using algebraic, Karnaugh map and Quine – McClausky methods.
Realization using logic gates
Module 3: Logic Families (4)
Logic families: Characteristics of logic families. TTL, CMOS, and ECL families.
Module 4: Combinational Functions (8)
Realizing logical expressions using different logic gates and comparing their
performance. Hardware aspects logic gates and combinational ICs: delays and
hazards. Design of combinational circuits using combinational ICs: Combinational
functions: code conversion, decoding, comparison, multiplexing, demultiplexing,
addition, and subtraction.
Module 5: Analysis of Sequential Circuits (5)
Structure of sequential circuits: Moore and Melay machines. Flip-flops, excitation
tables, conversions, practical clocking aspects concerning flip-flops, timing and
triggering considerations. Analysis of sequential circuits: State tables, state diagrams
and timing diagrams.
Module 6: Designing with Sequential MSIs (6)
Realization of sequential functions using sequential MSIs: counting, shifting,
sequence generation, and sequence detection.
Module 7: PLDs (3)
Programmable Logic Devices: Architecture and characteristics of PLDs,
Module 8: Design of Digital Systems (6)
State diagrams and their features. Design flow: functional partitioning, timing
relationships, state assignment, output racing. Examples of design of digital systems
using PLDs

Lecture Plan
Modules
1. Number
Systems and
Codes
2. Logic
Functions

3.Logic Families

4. Combinational
Circuits

5. Analysis of
Sequential
Circuits

6. Design with
Sequential MSIs

7. PLDs
8. Design of
Digital Systems

Learning Units
1. Binary, octal and hexadecimal number
systems, and conversion of number with
one radix to another
2. Different binary codes
3. Boolean algebra and Boolean operators
4. Logic Functions
5. Minimization of logic functions using
Karnaugh -map
6. Quine-McClausky method of minimization of
logic ...
DIGITAL SYSTEMS: Course Objectives and Lecture Plan
Aim: At the end of the course the student will be able to analyze, design, and
evaluate digital circuits, of medium complexity, that are based on SSIs, MSIs, and
programmable logic devices.
Module 1: Number Systems and Codes (3)
Number systems: Binary, octal, and hexa-decimal number systems, binary
arithmetic. Codes: Binary code, excess-3 code, gray code, and error detection and
correction codes.
Module 2: Boolean Algebra and Logic Functions (5)
Boolean algebra: Postulates and theorems. Logic functions, minimization of Boolean
functions using algebraic, Karnaugh map and Quine – McClausky methods.
Realization using logic gates
Module 3: Logic Families (4)
Logic families: Characteristics of logic families. TTL, CMOS, and ECL families.
Module 4: Combinational Functions (8)
Realizing logical expressions using different logic gates and comparing their
performance. Hardware aspects logic gates and combinational ICs: delays and
hazards. Design of combinational circuits using combinational ICs: Combinational
functions: code conversion, decoding, comparison, multiplexing, demultiplexing,
addition, and subtraction.
Module 5: Analysis of Sequential Circuits (5)
Structure of sequential circuits: Moore and Melay machines. Flip-flops, excitation
tables, conversions, practical clocking aspects concerning flip-flops, timing and
triggering considerations. Analysis of sequential circuits: State tables, state diagrams
and timing diagrams.
Module 6: Designing with Sequential MSIs (6)
Realization of sequential functions using sequential MSIs: counting, shifting,
sequence generation, and sequence detection.
Module 7: PLDs (3)
Programmable Logic Devices: Architecture and characteristics of PLDs,
Module 8: Design of Digital Systems (6)
State diagrams and their features. Design flow: functional partitioning, timing
relationships, state assignment, output racing. Examples of design of digital systems
using PLDs
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