> We design and manufacture PIC based units. We have sold just over 1k of units over the past 12 months. We buy all our chips in at > 4Mhz, because they are easier to get hold of. Now, as everyone knows, 20Mhz and 4Mhz chips are made from the same die. We run > chips labelled 4Mhz at 16Mhz, and we have never had any problems at all. > > Conclusion: running 4Mhz chips at 16Mhz is fine. This is based on real world experience, not hearsay or witch hunting. What company sells these products? Can you give a URL to your web site? I'd like to know so that I can make sure I or my customers never buy anything from you. ******************************************************************** Olin Lathrop, embedded systems consultant in Littleton Massachusetts (978) 742-9014, olin@embedinc.com, http://www.embedinc.com -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu