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Fundamentals of Digital Electronics
by Professor Barry Paton Dalhousie University

March 1998 Edition Part Number 321948A-01

Fundamentals of Digital Electronics
Copyright Copyright © 1998 by National Instruments Corporation, 6504 Bridge Point Parkway, Austin, Texas 78730-5039. Universities, colleges, and other educational institutions may reproduce all or part of this publication foreducational use. For all other uses, this publication may not be reproduced or transmitted in any form, electronic or mechanical, including photocopying, recording, storing in an information retrieval system, or translating, in whole or in part, without the prior written consent of National Instruments Corporation. Trademarks LabVIEW™ and The Software is the Instrument™ are trademarks of NationalInstruments Corporation. Product and company names listed are trademarks or trade names of their respective companies.

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If you have any questions or comments regarding this course manual, please see the following web site: http://sensor.phys.dal.ca/Digital Electronics/.

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Contents
Introduction Lab 1 Gates
The AND Gate...............................................................................................1-1 The OR and XOR Gates................................................................................1-2 Negation.........................................................................................................1-2 The NAND, NOR, and NXOR Gates............................................................1-2 Building Gates from Other Gates ..................................................................1-3 Gates with More than Two Inputs.................................................................1-4 Masking .........................................................................................................1-5 Application: Data Selector.............................................................................1-6 Name that Gate ..............................................................................................1-6 Lab 1 Library VIs..........................................................................................1-6

Lab 2 Encoders and Decoders
The Die ..........................................................................................................2-2 Modulo 6 Counter..........................................................................................2-3 Encode...........................................................................................................2-4 Virtual Dice ...................................................................................................2-5 Lab 2 Library VIs ..........................................................................................2-6

Lab 3 Binary Addition
Adder Expansion (Half Adder, FullAdders).................................................3-3 Binary Coded Decimal (BCD).......................................................................3-5 LabVIEW Challenge .....................................................................................3-6 Lab 3 Library VIs ..........................................................................................3-6

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