Anna University Regulation 2013 Electronics and Communication Engineering (ECE) EC6302 DE old Question Papers for previous years are provided below. Download link for ECE 3rd SEM EC6302 Digital Electronics Previous Year Question Papers are listed down for students to make perfect utilization and score maximum marks with our study materials.
Anna University Regulation 2013 Electronics and Communication Engineering (ECE) 3rd SEM EC6302 DE – Digital Electronics Syllabus
EC6302 DIGITAL ELECTRONICS L T P C 3 0 0 3
To introduce basic postulates of Boolean algebra and shows the correlation between Boolean expressions
To introduce the methods for simplifying Boolean expressions
To outline the formal procedures for the analysis and design of combinational circuits
and sequential circuits
To introduce the concept of memories and programmable logic devices.
To illustrate the concept of synchronous and asynchronous sequential circuits
UNIT I MINIMIZATION TECHNIQUES AND LOGIC GATES 9
Minimization Techniques: Boolean postulates and laws – De-Morgan‟s Theorem – Principle of Duality – Boolean expression – Minimization of Boolean expressions –– Minterm – Maxterm – Sum of Products (SOP) – Product of Sums (POS) – Karnaugh map Minimization – Don‟t care conditions – Quine – Mc Cluskey method of minimization.
Logic Gates: AND, OR, NOT, NAND, NOR, Exclusive–OR and Exclusive–NOR Implementations of Logic Functions using gates, NAND–NOR implementations – Multi level gate implementations- Multi output gate implementations. TTL and CMOS Logic and their characteristics – Tristate gates
UNIT II COMBINATIONAL CIRCUITS 9
Design procedure – Half adder – Full Adder – Half subtractor – Full subtractor – Parallel binary adder, parallel binary Subtractor – Fast Adder – Carry Look Ahead adder – Serial Adder/Subtractor – BCD adder – Binary Multiplier – Binary Divider – Multiplexer/ Demultiplexer – decoder – encoder – parity checker – parity generators – code converters – Magnitude Comparator.
UNIT III SEQUENTIAL CIRCUITS 9
Latches, Flip-flops – SR, JK, D, T, and Master-Slave – Characteristic table and equation –Application table – Edge triggering – Level Triggering – Realization of one flip flop using other flip flops – serial adder/subtractor- Asynchronous Ripple or serial counter – Asynchronous Up/Down counter – Synchronous counters – Synchronous Up/Down counters – Programmable counters – Design of Synchronous counters: state diagram- State table –State minimization –State assignment – Excitation table and maps-Circuit implementation – Modulo–n counter, Registers – shift registers – Universal shift registers – Shift register counters – Ring counter – Shift counters – Sequence generators.
UNIT IV MEMORY DEVICES 9
Classification of memories – ROM – ROM organization – PROM – EPROM – EEPROM –EAPROM, RAM – RAM organization – Write operation – Read operation – Memory cycle – Timing wave forms – Memory decoding – memory expansion – Static RAM Cell- Bipolar RAM cell – MOSFET RAM cell – Dynamic RAM cell –Programmable Logic Devices – Programmable Logic Array (PLA) – Programmable Array Logic (PAL) – Field Programmable Gate Arrays (FPGA) – Implementation of combinational logic circuits using ROM, PLA, PAL
UNIT V SYNCHRONOUS AND ASYNCHRONOUS SEQUENTIAL CIRCUITS 9
Synchronous Sequential Circuits: General Model – Classification – Design – Use of Algorithmic State Machine – Analysis of Synchronous Sequential Circuits Asynchronous Sequential Circuits: Design of fundamental mode and pulse mode circuits – Incompletely specified State Machines – Problems in Asynchronous Circuits – Design of Hazard Free Switching circuits. Design of Combinational and Sequential circuits using VERILOG.
TOTAL: 45 PERIODS
Students will be able to:
Analyze different methods used for simplification of Boolean expressions.
Design and implement Combinational circuits.
Design and implement synchronous and asynchronous sequential circuits.
Write simple HDL codes for the circuits.
1. M. Morris Mano, “Digital Design”, 4th Edition, Prentice Hall of India Pvt. Ltd., 2008 / Pearson Education (Singapore) Pvt. Ltd., New Delhi, 2003.
1. John F.Wakerly, “Digital Design”, Fourth Edition, Pearson/PHI, 2008
2. John.M Yarbrough, “Digital Logic Applications and Design”, Thomson Learning, 2006.
3. Charles H.Roth. “Fundamentals of Logic Design”, 6th Edition, Thomson Learning, 2013.
4. Donald P.Leach and Albert Paul Malvino, “Digital Principles and Applications”, 6th Edition, TMH, 2006.
5. Thomas L. Floyd, “Digital Fundamentals”, 10th Edition, Pearson Education Inc, 2011
6. Donald D.Givone, “Digital Principles and Design”, TMH, 2003.
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Anna University 3rd SEM ECE DE Question Papers with answers
EC6302 Digital Electronics previous year question papers free download
Anna University ECE DE old question papers Regulation 2013
EC6302 Question Papers with answers, DE previous year question bank – ECE 3rd Semester