Mike, what about using NVRAM instead of batteries?
Might add to the cost but it would be a great thing to not need a battery at all and it would be the only replacement board on the market like it, which you would think would make it a big selling point.OK - I give in....I found a rail of FRAM today - now I just have to find the breakout boards to convert them to DIP as this chip is not made in a DIP package. I don't want to have a board made up if I can avoid it..........
OK - so I couldn't find breakout boards anywhere......designed some up and ordered them a couple of days ago - they should nearly be ready.
A breakout board basically converts a surface mount part to its DIP equivalent:
