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# digital system design

Semester :  III

Course Code : 18EC34

CIE Marks : 40                       SEE Marks : 60

## DIGITAL SYSTEM DESIGN18EC34

### Module-1

Principles of combinational logic: Definition of combinational logic, canonical forms, Generation of switching equations from truth tables, Karnaugh maps-3,4,5 variables, Incompletely specified functions (Don‘t care terms) Simplifying Max term equations, Quine-McClusky techniques – 3 & 4 variables. (Text 1 – Chapter 3)

### Module-2

Analysis and design of combinational logic: Decoders, Encoders, Digital multiplexers, Adders and subtractors, Look ahead carry, Binary comparators.(Text 1 – Chapter 4).
Programmable Logic Devices, Complex PLD, FPGA. (Text 3 – Chapter 9, 9.6 to 9.8)

### Module-3

Flip-Flops and its Applications: Basic Bistable elements, Latches, The master-slave flip-flops (pulse-triggered flip-flops): SR flip-flops, JK flip-flops, Characteristic equations, Registers, binary ripple counters, and synchronous binary counters. (Text 2 – Chapter 6)

### Module-4

Sequential Circuit Design: Design of a synchronous counter, Design of a synchronous mod-n counter using clockedJK, D, T and SR flip-flops. (Text 2 – Chapter 6) Mealy and Moore models, State machine notation, Construction of state diagrams. (Text 1 -Chapter 6)

### Module-5

Applications of Digital Circuits: Design of a Sequence Detector, Guidelines for construction of state graphs, Design Example – Code Converter, Design of Iterative Circuits (Comparator), Design of Sequential Circuits using ROMs and PLAs, CPLDs and FPGAs, Serial Adder with Accumulator, Design of Binary Multiplier, Design of Binary Divider. (Text 3 – 14.1, 14.3, 16.2, 16.3, 16.4, 18.1, 18.2, 18.3)