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Question 9.7: Use 74HC190 up/down decade counters connected in the UP mode...

Use 74HC190 up/down decade counters connected in the UP mode to obtain a 10 kHz waveform from a 1 MHz clock.
Show the logic diagram.

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To obtain 10 kHz from a 1 MHz clock requires a division factor of 100. Two 74HC190 counters must be cascaded as shown in Figure 9–40. The left counter produces a terminal count (MAX/MIN) pulse for every 10 clock pulses. The right counter produces a terminal count (MAX/MIN) pulse for every 100 clock pulses.

Figure 9.40

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