data retention

[Tkuma.1]

i am using stm32h743zt6 controller, what is meant by data retention in flash memory?where this parameter?how we can calculate this?

Thanks,

[waclawek.jan]

It means, how long is the programmed content of FLASH guaranteed to remain there undamaged, at given temperature )or below) and given number of erasing/programming cycles (or below).

JW