UNIT - I FUNDAMENTAL DIGITAL ELECTRONICS
Number systems – binary – Octal – hexadecimal – Binary addition – subtraction (1’s and 2’s compliment method) – multiplication - division – BCD – Conversion – simplification of logic circuits using Boolean algebra - Demorgan’s theorems.
UNIT - II COMBINATIONAL LOGIC CIRCUITS
Basic logic gates – XOR gate -NAND and NOR as universal building blocks - Sum of Products method - Karnaugh map –Pairs, Quads and Octets – Karnaugh simplification- Don’t care condition – Product of sum method – POS simplification.
UNIT - III DATA PROCESSING AND ARITHMETIC CIRCUITS
Multiplexer – Demultiplexer – 1 of 16 decoder – BCD to decimal decoders - Seven segment decoders – encoder – Exclusive OR gates – Parity generator and checkers - Half adder–full adder– half subtractor – full subtractor – 4 bit adder/subtractor .
UNIT - IV SEQUENTIAL LOGIC CIRCUITS
RS flip flop – D flip flop – Clocked flipflops – JK flip flop – JK Master Slave flip flop – synchronous and ripple counters – BCD counter – Up/Down counters – shift registers – serial and parallel registers – ring and twisted ring counter.
UNIT - V TIMER, DA/AD CONVERSION
Timer 555 - Internal block diagram and working – astable, monostable and bistable multivibrators – Schmitt trigger. Variable resistor network – Binary ladder - D/A converter – D/A converter accuracy and resolution – A/D converter – simultaneous conversion - successive approximation method – A/D accuracy
TEXT AND REFERENCE BOOKS
1. Jain R.P.(1996). Digital Electronics by Practice Using Integrated
Circuits - Tata McGrawHill(1996).
2. Malvino Leach. (1992). Digital Principles and Application . New
Delhi: 4thEdition Tata Mcgraw Hill Publishing Company.
3. Millman J. Halkias C. (2001). Integrated Electronics. New Delhi: Tata
McGraw Hill
4. Nagrath I.J. (1999). Electronics - Analog and Digital . NewDelhi:
Prentice - Hall of India,
5. Roy Choudhury D. Shail Jain. (2003). Linear Integrated Circuits. New
Age International Private Ltd.
6. Thomas L. Floyd.(1998). Digital Fundamentals. New Delhi: Universal
Book Stall,
7. Vijayendran V., Viswanathan S. (2005). Introduction to Integrated
Electronics. Chennai: Printers and Publishers Pvt. Ltd.