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What type of non-volatile memory hast the AD5270? What is its retention time?

What type of non-volatile memory hast the AD5270? What is its retention time
(time during which the NVM data retains its integrity over time without
rewriting another/same value)?

 

The AD5270 uses 50-times programmable memory.  A charge pump is used to
permanently blow the fuses in memory.
There should be no need to re-write the value but allow 350ms for the initial
write to the memory.

Memory -> array of fuses.
Retention -> Forever and ever
Endurance -> 50-times
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