Mattias Engstrvm wrote: > > Clyde Smith-Stubbs wrote: > > > > Thus spake Tony Matthews (tony@MAGICNET.NET): > > > > > I have a few others so my question is was 200 times to much.My > > > program is nearly complete and it writes accumulated values to eeprom > > Just for the fun of it, try this if you have a chip that refuses further > programming: > > Take your useless chip, put it in the oven, 150 degrees for 2 hours. > See what happens :-) > I have heard that this should reduce the number of excess electrons > storing up in the memory cells (they gain thermal energy and are capable > of escaping the potential wells), giving you a number of xtra > programming runs. > If it works, you can always use them for the final version once > you got something to implement. > > (haven't tried it myself) > > Regards, Mattias I thought ? the data sheet I thought it said >1000 cycles I should of double checked before posting .But then I would not have elicited this particular response. Thought provoking is'nt it.It was the way it failed that prompted me to post though.ZAP it was gone.Tony M.