Other Parts Discussed in Thread: SN74HCS74-Q1
we use CD74HC112 for 20HZ waveform based to 60HZ, and use the part to try.
but the output waveform is special and no duty cycle 50% output.
we try following the suggest at website sch
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we use CD74HC112 for 20HZ waveform based to 60HZ, and use the part to try.
but the output waveform is special and no duty cycle 50% output.
we try following the suggest at website sch
Hi Lanjie,
This can be done with the SN74HCS74-Q1. Its a dual channel D FF that will allow you to do this. Not only that, but this device has Schmitt-trigger inputs which will allow you to add an RC delay circuit to the CLR pin to perform a power on reset. This will allow you to default the FF to a certain state every time there is a power down.