- Joined Jan 6, 2018
I built two identical modulus 60 counters and the first one clocks correctly but the second one clocks from 0 to 59 then 60 instead of 59 then 00. The second counter is connected to the output of a diode or gate whose inputs goes to the preset and reset of the first mod 60 counter of the cd4510. I'm wondering if I have to create an RC delay to the clock input of the cd4510 so that the AND gate on the bottom of the schematic can have enough time of the clock pulse to trigger the reset at 60 of both cd4510 to 00 as drawn in my schematic.
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