Apply the waveforms of Figure 9-75 to the inputs of the 74ALS138 DEMUX of Figure 9-30(a) as

Question:

Apply the waveforms of Figure 9-75 to the inputs of the 74ALS138 DEMUX of Figure 9-30(a) as follows:

D A C  A B Ao A  E

Draw the waveforms at the DEMUX outputs.


Fiure 9-75

B C D 1 I I I 1 I 1 I I T I I I I I T I 1 I 1 1 I T I 10 1 I | t12 113 114 1 1 I 115 T I 16


Figure 9-30(a)

Select code Data input I E E E3 A 74ALS138 A decoder/DEMUX Ao +5 V !!!!!!! 07 06 05 04 03 02 01 00 (a)

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Related Book For  answer-question

Digital Systems Principles And Application

ISBN: 9780134220130

12th Edition

Authors: Ronald Tocci, Neal Widmer, Gregory Moss

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