Digital Electronics - 7BPH6C2 - Syllabus


III YEAR – VI SEMESTER
COURSE CODE: 7BPH6C2

CORE COURSE XIV – DIGITAL ELECTRONICS

Unit I              FUNDAMENTALS
Codes and Number Systems–Decimal, Binary, Octal and Hexadecimal number systems–Inter conversions–8421BCD code–Other 4 bit BCD codes–Excess 3 code–Graycode

Basic LOGIC gates – AND, OR, NOT, NAND, EX-OR functions – their truth tables.  NAND & NOR as Universal gates – De Morgan's theorem – Boolean Algebra - associative law, commutative law and distributive law.

Unit II             COMBINATIONAL LOGIC
Binary Arithmetic Circuits – Half Adder – Full Adder– 8421 BCD Adder – Half Subtractor – Full Subtractor.

Simplification of Boolean functions – algebraic simplification – AND-OR logic – NAND-NAND net work – OR – AND logic – NOR-NOR network – Sum of Products & Product of Sums – Karnaugh mapping of two, three, four variables – Don't care conditions

Unit III           SEQUENTIAL LOGIC
Flip-Flop – R-S Flip-Flop – Clocked R-S Flip-Flop – D Flip-Flop- J-K Flip-Flop. 

Registers & Counters : Registers – Shift Registers – Shift Right, Shift Left Registers – Counters – Ring counter – Asynchronous (Ripple) Counter – Mod 10 counter – up counter – down counter – Synchronous Counter – Different modulli Counters.

Unit IV           D/A AND A/D CONVERTERS
Introduction – Variable resistor network – Binary ladder – D/A Converter – D/A accuracy and resolution

A/D converter : Simultaneous conversion – counter method – successive approximation – A/D accuracy and resolution.

Unit V             MEMORY CIRCUITS AND MICROPROCESSORS
Programming bipolar PROMS – MOS static RAM cell – MOS dynamic RAM cell.

Microprocessors: Introduction to microprocessor - internal architecture of Intel 8085 microprocessor - Block diagram – Registers - internal Bus organization- functional details of 8085 IC pins and Control signals. 

Text Books:
1.       Integrated Electronics Millman and Halkias, International Ed., McGraw Book Co., New Delhi, 1972.
2.       Digital Principles and Application – Malvino and Leach, , 4th Ed., Tata McGraw Hill,  VI Edn, New Delhi, 2008.
3.       Fundamentals of Digital Electronics and Microprocessor– Anokh Singh and A.K. Chabra, , S.Chand and Co Ltd, II Edn., New Delhi, 2005.

Books for Reference:
1.       Digital Technology Principle and Practice – Virendra Kumar,  New Age International Pvt. Ltd., New Delhi, 2005.
2.       Digital Fundamentals – Floyd and Jain, Pearson Edn. Singapore, 2006
3.       Digital Circuits and Logic Design – Samuel.C.Lee, Prentice Hall of India Pvt.Ltd, New Delhi, 2005