Un bel giorno Vladimir Vassilevsky digitò:
> We are using M25P32 flash memory in one of the projects. It is used as
> a boot memory; normally, it is written only once or twice. However,
> there is a significant percent of failures; almost 25% of parts quit
> working after several weeks of operation. The failure is gradual: it
> starts like occasional hangups while reading or programming, then it
> happens more and more often, and at last the part fails entirely.
> What could it be? Have you encountered anything like that?
Do you program them after or before soldering? I had a similar problem with
some flash-based MCUs programmed before the oven reflow.
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emboliaschizoide.splinder.com
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