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

Question:

The frequency of f_in 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 f_out1 and f_out2.

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