I have to admit I still struggle reading datasheets. Can anyone tell me what in theCD4555 datasheet tells me how fast the chip can be switched? I assume it can be no faster than the propagation delay. But are their other limitations?
https://www.intersil.com/content/dam/Intersil/documents/cd45/cd4555bms-56bms.pdf
https://www.intersil.com/content/dam/Intersil/documents/cd45/cd4555bms-56bms.pdf