Modify the system of Figure 9-31 to handle 16 doors. Use a 74150 16-input MUX and two
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Modify the system of Figure 9-31 to handle 16 doors. Use a 74150 16-input MUX and two 74LS138 DEMUXes. How many lines are going to the remote monitoring panel?
Figure 9-31
Transcribed Image Text:
Door 0 Door 6 +5 V +5 V From doors 1-5 Door 7 1 I I L ||| 4₂ 13 h 7AHC151 MUX Q₂ Q₁ Qo MOD-8 CTR JUL> CLOCK +5 V +5 V 74HC138 DEMUX A₂ A₁ A₂ Monitoring panel 330 0 0 0₂ Ös 06 4H
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Related Book For
Digital Systems Principles And Application
ISBN: 9780134220130
12th Edition
Authors: Ronald Tocci, Neal Widmer, Gregory Moss
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