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DIGITAL SYSTEMS DESIGN L T P C 3 0 2 4 EC3352 COURSE OBJECTIVES To present the fundamentals of digital circuits and simplification methods To practice the design of various combinational digital circuits using logic gates To bring out the analysis and design procedures for synchronous and asynchronous Sequential circuits To learn integrated circuit families To introduce semiconductor memories and related technology 9 9 UNIT I BASIC CONCEPTS Review of number systems representation conversions Review of Boolean algebra theorems sum of product and product of sum simplification canonical forms min term and max term Simplification of Boolean expressions Karnaugh map completely and incompletely specified functions Implementation of Boolean expressions using universal gates Tabulation methods UNIT II COMBINATIONAL LOGIC CIRCUITS Problem formulation and design of combinational circuits Code Converters Half and Full Adders Binary Parallel Adder Carry look ahead Adder BCD Adder Magnitude Comparator Decoder Encoder Priority Encoder Mux Demux Case study Digital trans receiver 8 bit Arithmetic and logic unit Parity Generator Checker Seven Segment display decoder UNIT III SYNCHRONOUS SEQUENTIAL CIRCUITS Latches Flip flops SR JK T D Master Slave FF Triggering of FF Analysis and design of clocked sequential circuits Design Moore Mealy models state minimization state assignment lock out condition circuit implementation Counters Ripple Counters Ring Counters Shift registers Universal Shift Register Model Development Designing of rolling display real time clock UNIT IV ASYNCHRONOUS SEQUENTIAL CIRCUITS Stable and Unstable states output specifications cycles and races state reduction race free assignments Hazards Essential Hazards Fundamental and Pulse mode sequential circuits Design of Hazard free circuits UNIT V LOGIC FAMILIES AND PROGRAMMABLE LOGIC DEVICES Logic families Propagation Delay Fan In and Fan Out Noise Margin RTL TTL ECL CMOS Comparison of Logic families Implementation of combinational logic sequential logic design using standard ICs PROM PLA and PAL basic memory static ROM PROM EPROM EEPROM EAPROM 9 9 9 PRACTICAL EXERCISES 45 PERIODS 30 PERIODS 1 Design of adders and subtractors code converters 2 Design of Multiplexers Demultiplexers 3 Design of Encoders and Decoders 4 Design of Magnitude Comparators 5 Design and implementation of counters using flip flops 6 Design and implementation of shift registers COURSE OUTCOMES At the end of the course the students will be able to CO1 Use Boolean algebra and simplification procedures relevant to digital logic CO2 Design various combinational digital circuits using logic gates CO3 Analyse and design synchronous sequential circuits CO4 Analyse and design asynchronous sequential circuits CO5 Build logic gates and use programmable devices TOTAL 75 PERIODS TEXTBOOKS 1 M Morris Mano and Michael D Ciletti Digital Design Pearson 5th Edition 2013 Unit I V REFERENCES 1 Charles H Roth Jr Fundamentals of Logic Design Jaico Books 4th Edition 2002 2 William I Fletcher An Engineering Approach to Digital Design Prentice Hall of India 1980 3 Floyd T L Digital Fundamentals Charles E Merril publishing company 1982 4 John F Wakerly Digital Design Principles and Practices Pearson Education 4th Edition 2007 Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner Scanned by CamScanner


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