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How to find Flash write-cycle estimated failure in STM processors...

jeanpierre
Associate II
Posted on November 14, 2014 at 23:30

Hello, I wish to determine the mean time between failures of the NAND onboard the STM32F327 onboard our design.

I've looked in the three large pdfs of its documentation for things like 'write cycle' and 'failure' but could not find it.

What is the ♯ of write cycles on the NAND of these chips?  Is it 100,000 write cycles?

Many thanks!

#failure #write-cycles #nand
3 REPLIES 3
Posted on November 15, 2014 at 08:20

Seem to think it's NOR, but the minimum endurance is specified in the Data Sheet/Manual for specific parts.

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jeanpierre
Associate II
Posted on December 01, 2014 at 16:04

Hello clive1, thank you for the response.  So it's NOR memory and not NAND?

Posted on December 01, 2014 at 18:25

So it's NOR memory and not NAND?

Wouldn't that make vastly more sense? As you want reliability, rapid random access, and to execute from it.
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