Digital System Design Notes

Course objectives:

To impart the knowledge of combinational circuit design.
To impart the knowledge of Sequential circuit design.
To provide the basic knowledge about VHDL & its use

BEST PPT's CHAPTER WISE NOTES

Module No

Module-1

Module-2

Module-3

Module-4

Module-5

Topic

Principles of combinational logic: Definition of combinational, canonical forms, Generation of switching equations from truth tables, Karnaugh maps-3, 4 and 5 variables. Incompletely specified functions (Don’t care terms). Simplifying max – term equations. Quine -McClusky minimization technique, Quine – McC lucky using don’t care terms, Reduced Prime Implicant tables, Map entered variables.

Analysis and design of Combinational Logic:General approach, Decoders-BCD decoders, Encoders. Digital multiplexers-using multiplexers as Boolean function generators. Adders and Subtractors-Cascading full adders, Look ahead carry, Binary comparators. Design methods of building blocks of combinational logic.

Sequential Circuits: Basic Bistable element, Latches, SR latch, application of SR latch, A Switch debouncer, The SR latch, The gated SR latch. The gated D Latch, The Master-Slave Flip-Flops (Pulse-Triggered Flip-Flops): The master-slave SR Flip-Flops, The master-slave JK Flip-Flop, Edge Triggered Flip-flop: The Positive Edge-Triggered D Flip-Flop, Negative-Edge Triggered D Flip-Flop. Characteristic equations, Registers, Counters-Binary Ripple Counter, Synchronous Binary counters, Counters based on Shift Registers, Design of a Synchronous counters, Design of a Synchronous Mod-6 counters using clocked JK Flip- Flops Design of a Synchronous Mod-6 counter using clocked D, T, or SR Flip-Flops.

Sequential Design: Introduction, Mealy and Moore models, State machine notation, synchronous sequential circuit analysis, and design.Construction of state Diagrams, Counters Design.

HDL: Introduction, A brief history of HDL, Structure of HDL Module, Operators, Data types, Types of Descriptions, Simulation and synthesis, Brief comparison of VHDL and Verilog.

Data-Flow Descriptions: Highlights of Data flow descriptions, Structure of data-flow description, Data type-vectors.

PDF Notes

PPT

PART A

PART B

Digital Electronics - I

by Prof. Peter Y. K. Cheung sir

Objectives

- To impart to you a formalism of logic enabling you to analyze logical processes
- To enable you to implement simple logical operations using combinational logic circuits
- To enable you to understand common forms of number representation in digital electronic circuits and to be able to convert between different representations
- To enable you to understand the logical operation of simple arithmetic and other MSI circuits (Medium Scale Integrated Circuits)
- To impart to you the concepts of sequential circuits enabling you to analyze sequential systems in terms of state machines
- To enable you to implement synchronous state machines using flip-flops

Textbook