The frequency of f in is 1.5 MHz in Figure 7-109. The two IC counter chips have

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The frequency of fin is 1.5 MHz in Figure 7-109. The two IC counter chips have been cascaded asynchronously so that the output frequency produced by counter U1 is the input frequency for counter U2. Determine the output frequency for fout1 and fout2.


Figure 7-109

5 74ALS161 CLK ENT ENP DCBA CLR LOAD U1 RCO QD QC QB QA fout! 74ALS161 CLK ENT ENP CLR LOAD DCBA U2 RCO QD QC

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Digital Systems Principles And Application

ISBN: 9780134220130

12th Edition

Authors: Ronald Tocci, Neal Widmer, Gregory Moss

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