On Fri, 21 Sep 2018 23:12:43 +0530 Manu Abraham wrote: > Hi Bob, >=20 > Thanks for the quick reply. I was wondering something like that, > but could not really get a foot on the topic where to start looking. >=20 > Why would it need more gates ? Larger delay ? >=20 >>=20 Beware of the parallel resistor. If it's too low, some xtal won't start. But oscillators like the 4060 do need a 4.7 to 10 MOhm resistor, else they won't start because they're not in their linear zone. John --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .