# Www2.mvcc.edu

Reviewed by: Joe Stadtmiller

Fall 2010

Office: AB260-A

Email: jstadtmiller@mvcc.edu

MOHAWK VALLEY COMMUNITY COLLEGE

UTICA, NEW YORK

ENGINEERING TECHNOLOGIES AND THE TRADES DEPARTMENT

COURSE OUTLINE

I. CATALOG DESCRIPTION:

ET235 Digital Logic C-3, P-3, Cr-4.5

This course provides an overview of the basic logic circuits inherent in all digital electronics applications. Topics include the various numbering systems, encoders and decoders used in digital systems, binary logic gates, flip-flops, counters, shift registers with arithmetic circuits. Memories and interfacing of digital and analog devices are also investigated. Experiments supporting related information are designed to provide maximum hands-on experience for students with no prior training in electronics.

Prerequisites: ET101 Technical Electricity 1

MA106 Technical Mathematics 2

II. MATERIALS:

Text: Digital Electronics, 7th edition, ISBN

#9780073222752, by Tokheim, McGraw-Hill Publishers

Lab Manual: Digital Electronics Lab Manual, 7th edition, ISBN #9780073222752, by Tokheim, McGraw-Hill Publishers

Tools: A scientific calculator, electronic hand tools, an electronic breadboard, and small electronic components.

III. STUDENT LEARNING OUTCOMES:

The student will:

1) Be able to recognize and identify basic logic symbols

2) Be able to explain basic logic functions

3) Be able to simplify logic circuits to minimize gates

4) Recognize sequential circuits and predict behavior

5) Recognize counter circuits and identify characteristics

6) Be able to convert between different numbering systems

7) Be able to identify different logic families, their characteristics and interfacing methods

8) Be able to interface hardware devices to logic circuits

9) Recognize characteristics of A/D and D/A converters

10) Be able to identify characteristics of different types of semiconductor memory

IV. DETAILED COURSE OUTLINE:

I. Binary Number System

A. Course Overview

B. Binary Number System

C. Binary - Decimal Conversion

D. Decimal - Binary Conversion

II. Gates and Inverters

A. Inverters, OR, AND Gates

B. NAND and NOR Gates

C. Enable/Inhibit circuits

D. Expanding Gates

III. Waveforms and Boolean Expressions

A. Truth Tables, Unsimplified Boolean

Expressions and Waveform Analysis

1. Basic Gates

2. Simple Combinatorial Circuits

IV. Exclusive - OR Gates

A. XOR - XNOR Gates

B. Enable/Inhibit

C. Waveform Analysis

D. Parity Generator

E. Parity Checker

F. Digital Comparators

V. Test Number Systems and Codes

A. Hexadecimal Numbers

1. Counting

2. Binary - Hex Conversions

3. Addition and Subtraction

B. Signed Numbers

C. Twos Complement Numbers

1. Addition and Subtraction

D. Binary Coded Decimal

E. Arithmetic Circuits

1. Half-Adder

2. Full-Adder

3. Adder/Subtractor

VI. IC Specifications

A. TTL Subfamilies

B. TTL Electrical Characteristics

C. TTL Open Collector Gates

D. CMOS

E. CMOS Specifications

F. Interfacing TTL to CMOS

VII. Flip-Flops

A. R-S Flip-Flop

1. NAND Implementation

2. NOR Implementation

B. Debounced Switch Circuits

C. Clocked R-S Flip-Flop

VIII.D & J-K Flip-Flops

A. D Flip-Flop

B. J-K Flip Flop

C. Latch Circuits

D. Shift Register Counters

1. Ring Counter

2. Johnson Counter

IX. Shift Registers

A. Parallel/Serial Conversion

B. Serial Data Transmission

C. Serial Transmitter/Receiver

X. Counters

A. Ripple Counter

B. Divide by N Ripple Counter

C. Divide by N Synchronous Counters

D. MSI counter ICs

XI. Schmitt - Trigger

A. Schmitt - Trigger Input

B. Clock waveshapers

C. 555 Timer IC

XII.D/A and A/D Conversions

A. Resistor Network

B. TTL Digital to Analog

C. Analog to Digital

D. Comparisons of A/D Converter circuits

XIII. Decoder, Multiplexers Demultiplexers

and Displays

A. Decoders

B. Demultiplexers

C. Multiplexers

D. 7-Segment display

E. Liquid Crystal Display

XIV. Memory Circuits and Interfacing

A. ROM and RAM types

B. Memory Interface

LABORATORY EXERCISES (Provisional)

SESSION EXPERIMENT

1 Inverter, AND, and OR Gates

2 Two-input and Three-input Gates

3 Simplified Logic Equivalent Circuits

4 Data Selector Simplification

5 NAND Latch and D Flip-flops

6 JK Flip-flops

7 D Latch Circuits

8 Integrated Circuit Counters

9 Shift Registers

10 Interfacing Logic Families

11 Device Interfacing

12 Arithmetic Circuits

13 A/D and D/A Converters

14 Memory Systems

Disability Statement:

I would appreciate hearing from anyone in the class who has any type of disability (e.g., physical, learning, psychiatric, vision, hearing, etc.) which may require some special accommodation. Please see me during my office hours so that we can discuss your needs. Before services can begin, you must also contact Lynn Igoe, Coordinator of Disability Services, 792-5413, or Tamara Mariotti, the Learning Disabilities and Assistive Technology Specialist, 731-5702; both are located in Room 153 of the Academic Building on the Utica Campus. (For classes on the Rome Campus, the contact person is Michael Badolato, PC A30, 334-7718). They are the staff members who review documentation, determine eligibility for accommodations, and decide what those accommodations will be.

Academic Affairs DGV Statement:

Two years ago, MVCC initiated a program titled “Diversity-Global View” (DGV), which gave each of our graduates a chance to participate in educational experiences designed to increase awareness of intercultural perspectives. Our goal in doing so was to enhance our students’ understanding of the realities faced by individuals as a result of their race, ethnicity, cultural background, gender, sexual orientation, socioeconomic status, academic abilities and interests, age, religious beliefs, and physical ability. To that end, all graduates who matriculated into programs in the fall 2008 or more recently, or who have changed their major since 2008, are now required to complete the DGV components associated with the degree or certificate program in which they are enrolled. For more information please visit .

Sustainability Statement:

Mohawk Valley Community College is committed to development and implementation of a comprehensive sustainability plan. To that end, we are beginning by asking students, faculty, and staff to actively participate in energy conservation measures and proper recycling on campus. The blue bins located in classrooms, and offices are for paper and paper products only. All plastic, metal and glass containers should be placed in the proper recycling bins located in the hallways. Please remember to empty them before depositing them. Any materials that cannot be recycled should be place in garbage cans. It is also important to turn off lights and computers when leaving a room. Together we can make an impact on conserving our resources. Remember to reduce, reuse and recycle!

COURSE NAME: ____ET235 Digital Logic__________________________________________________

DATE FACULTY NAME CHANGE INPUT MEASUREMENT ASSESSMENT ACTION

|10/12/04 |RC Decker |Update sequence |Textbook | | | |

|11/21/06 |RC Decker |Include Outcomes |Dept. Guidelines | | | |

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