ETE 112; DIGITAL LOGIC CIRCUITS; 4 CREDITS

DESCRIPTION:
Logic methods are introduced.  Topics include:  Boolean algebra, combinational logic theory, sequential circuits, number systems and codes, small and medium scale integrated circuits logic families, design and troubleshooting of digital logic circuits, and interfacing techniques.  Lecture:  3 hours.  Laboratory:  2 hours.  Prerequisite: Consent of instructor.

IMPLEMENTATION DATE:  Fall 1994

COMPETENCIES:
Upon completion of this course the student can:
1. Demonstrate a working knowledge of number systems, binary codes, Boolean algebra.
2. Use input/output functions of logic circuits including: AND, OR, NAND, NOT, NOR, exclusive OR, exclusive NOR, flip-flops, counters, encoders, decoders, simple ALU's, registers and other medium scale integration.
3. Design, construct, and troubleshoot simple circuits using combinatorial and sequential logic.
4. Use minimization techniques in logic circuit design.
5. Select components based on design criteria.
6. Use specialized digital test equipment.
7. Demonstrate a working knowledge of common interfacing techniques.
8. Describe logic families commonly used (TTL, ECL, CMOS).
9. Prepare written laboratory reports in response to a laboratory assignment pertaining to digital logic circuits.

OUTLINE:
 I. Introduction to Digital Logic
  A. History of Logic
  B. Application of Electronic Logic
  C. Digital vs Analog
  D. Parallel and Series Transmission

 II.  Numbers Systems and Codes
  A. Review of Decimal
  B. Binary
  C. Octal
  D. Hexidecimal
  E. Conversions between different systems
  F. Codes

 III. Introduction to Digital Logic
  A.  Logic Gates
   1. AND
   2. OR
   3. NAND
   4. NOR
   5. NOT
  B. Boolean Algebra
   1. Boolean signs and symbols
   2. Boolean Theorems
   3. DeMorgan's Theorems
   4. Truth Tables
   5. Circuit Minimization

IV.  Combinatorial Logic Networks
  A. Implementation
  B. Simplification
  C. Exclusive OR/NOR Gate

 V. Digital Coding
  A. Decoding - Encoding Circuitry
  B. Multiplexers - Demultiplexers

 VI.  Readouts and Driver Circuitry
  A. Simple LED's
  B. Seven Segment LED's
  C. Liquid Crystal Devices

 VII.  Arithmetic Circuitry
  A. Binary Arithmetic
  B. Representing Signed Numbers
  C. Half Adder
   1. Uses
   2. Implementation
  D. Full Adder
   1. Uses
   2. Implementation
  E. BCD Addition
  F. Arithmetic Logic Units

 VIII. Pulse Circuits and Sequential Logic
  A. Introduction to clocking (waveforms)
  B. Flip-Flops
   1. J-K FF
   2. D FF
   3. D Latch
  C. Registers
  D. Counters
   1. Asynchronous
   2. Synchronous

 IX.  Integrated Circuit Families
  A. TTL Family
  B. ECL Family
  C. MOS
  D. CMOS

 X. Interfacing
  A. TTL with MOSFET
  B. MOSFET with TTL
  C. Switches with Logic
  D. Relays, Motors, and Solenoids
  E. Tri-State

LIST OF EXPERIMENTS/ACTIVITIES:
 1. Logic Inverters
 2. Or/And Gates
 3. Nor Gates
 4. Nand Gates
 5. Boolean Algebra (fundamental operations)
 6. Boolean Algebra Theorems
 7. Multiplexers
 8. Decoders
 9. BCD to Decimal Decoder Driver
 10.  Exclusive OR/NOR Gates
 11.  Flip Flops
 12.  Adders
 13.  Arithmetic Logic Unit (ALU)
 14.  Astable Multivibrator

LEARNING RESOURCES:
1. Digital Fundamentals. 5th ed.  Floyd, 1994 Merrill Publishing Co.,
 ISBN 0-02-338502-02.
2. Digital Computer Electronics. 3rd ed.  Malvino, 1993 Glenco
 Publishing Co., ISBN 0-01-800584-5.
3. Digital Systems Principles and Applications. 6th Edittion, Tocci

DATES OF COMMUNITY COLLEGE ACTION:
APPROVED: October 1968
REVISED:  June 1977; June 1985; November 1985; March 1988

For questions about this page or to report problems, please contact Mike Binzer

Revised 7/26/04