DIGITAL ELECTRONICS

Paper Code: 
BCA 205
Credits: 
04
Periods/week: 
04
Max. Marks: 
100.00
Objective: 

This module is designed to introduce the students with binary arithmetic and working of various digital circuits used in computer. The subject does not cover designing of digital circuits.

 

12.00
Unit I: 

Review of Boolean algebra.

Combinational Logic Design: Standards representation for logical expression, Minimization of logical functions in terms of Maxterm and  Minterm, Simplifications of Boolean equations using K-maps, don’t care conditions

 

12.00
Unit II: 

Arithmetic Circuits: Half Adder, Full Adder, Half Subtractor, Parallel binary adder/Subtractor.

Combinational Circuits: Multiplexers (74151/74150), De-Multiplexers(74154), decoders (74139/74154/7445), encoders (Octal to binary, decimal to BCD, priority), BCD to seven segment decoder, Parity generator/checkers, magnitude comparators.

 

12.00
Unit III: 

Sequential circuits: Flip-flops, S-R, D, J-K, T, Clocked Flip-flop, Race around condition, Master slave Flip-Flop(truth tables,  working)

 

12.00
Unit IV: 

Shift Registers: Applications of Shift Registers

Counters: Ripple or Asynchronous counters, Synchronous Counter.

 

12.00
Unit V: 

Logic families, characteristics of digital IC’s, sourcing and sinking, Introduction to bipolar families (RTL, RCTL, DTL), TTL logic, Introduction to ECL, CMOS                               

Integrated circuits : IC classifications, IC fabrication, Epitaxial growth, Masking and Etching, Fabrication of components (Diode, transistor, resistor, capacitor) on Monolithic IC, IC packing’s, IC symbols, SSI, LSI, MSI, VLSI

 

ESSENTIAL READINGS: 
  1. R. P. Jain, “Modern Digital Electronics”, Mc Graw Hill Publising Company limited.
  2. S. Salivahanan & S. Arivyhgan, “Digital circuits and design”,”Vikas Publishing house Pvt.Ltd.
  3. V.K. Mehta, “Principles of Electronics”, Fifth Edition, S. Chand & Co.

 

REFERENCES: 
  1. Moris Mano, “Digital Logic and Computer Design”, PHI.
  2. Malvino Leach, "Digital Principles and Application", Mc Graw Hill Publications.
  3. Malvino, “Digital Computer Electronics”, Mc Graw Hill Publications.

 

Academic Year: 
2014-15
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