Figure 7-79(a) shows a 74ALS161 wired as a MOD-12 counter, but it produces the count sequence given
Question:
Figure 7-79(a) shows a 74ALS161 wired as a MOD-12 counter, but it produces the count sequence given in Figure 7-79(b). Determine the cause of the incorrect circuit behavior.
Figure 7-79
Transcribed Image Text:
CLK 1 0 2 10 7 65 5 4 43 74ALS161 CLK ENT ENP DCBA CLR LOAD RCO QD QC QB QA 74ALS00 (a) 1 2 15 11 12 13 14 QC QB QA CLK QD QC QB 0000 QA ‹wrrr QD QC QB QA 0011 (b) 0001 (c) 0010
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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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