EC 9251 Digital Electronics and system Design syllabus download

EC 9251 DIGITAL ELECTRONICS AND SYSTEM DESIGN L T P C
3 1 0 4

UNIT I BASIC CONCEPTS AND COMBINATIONAL CIRCUITS 9
Number Systems – n’s complement –Codes - Sum of products and product of sums,
Minterms and Maxterms, Karnaugh map and Tabulation method – problem
formulation and design of combinational circuits, Adder, Subtractor,
Encoder/decoder, – three state devices, Priority Encoder, Mux/Demux, Codeconverters, Comparators, Implementation of combinational logic using standard ICs,
ROM, EPROM and EEPROM – Coding of Combination Circuits in verilog.

UNIT II SEQUENTIAL CIRCUITS 9
Flip flops – SR, JK, T, D, Master/Slave FF, Triggering of FF, Analysis of clocked
sequential circuits – their design, state minimization, moore/mealy model, state
assignment, circuit implementation, Registers- shift registers, Ripple counters,
Synchronous counters, Timing signal, RAM, Memory decoding, Semiconductor
memories - Feedback sequential- Circuit analysis and design- sequential circuit
design with verilog.

UNIT III FUNDAMENTAL MODE SEQUENTIAL CIRCUITS 9
Stable, Unstable states, output specifications, cycles and races, state reduction, race
free assignments, Hazards, Essential Hazards, Pulse mode sequential circuits,
Design of Hazard free circuit

UNIT IV MEMORY, CPLDs AND FPGAs 9
ROM, Read/Write memory – Static RAM, Dynamic RAM, PAL, PLA, CPLD – FPGA
XL 4000 –
CLBs – I/O Block – Programmable Inter connects– Realization of simple
combinational and
sequential circuits

UNIT V LOGIC GATES 9
Logic families- TTL, NMOS, CMOS, BiCMOS logic-Electrical behavior-static,
dynamic-CMOS input and output structures-CMOS logic families -low voltage CMOS
logic & interfacing-Bipolar logic Realization of NAND and NOR logic.

L : 45, P: 15 TOTAL : 60 PERIODS
TEXT BOOKS
1. Morris Mano, “ Digital logic ”, Prentice Hall of India, 1998
2. John. F. Wakerly, “Digital design principles and practices”, Pearson Education,
Fourth Edition, 2007 .
3. Charles H. Roth, Jr, “Fundamentals of Logic Design”, Fourth edition, Jaico
Books, 2002

REFERENCES
1 William I. Fletcher, “An Engineering Approach to Digital Design”, Prentice- Hall
of India, 1980
2 Floyd T.L., “Digital Fundamentals”, Charles E. Merril publishing company, 1982
3 Jain R.P., “Modern Digital Electronics”, Tata McGraw Hill, 1999.

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