Re: P/E cycles of MPC555 internal flash

Hi dees,
    Thanks a lot.

Best regards,
vai

On 4/27/05, Dees Randy-rsaf30 <[email protected]> wrote:
> the MPC555 flash is guaranteed to have at least 10 years of data retention
> after 100 program /erase cycles and an average temperature of 85C. typically
> it does much better, but this device is specified for very strict automotive
> applications that accepts no failures. there is an Engineering Bulletin on
> the Freescale web site that discusses typical flash lifetimes. search for
> EB619 Typical Endurance for Nonvolatile memory and EB618 Typical Data
> retention for Nonvolatile Memory.
> 
> randy
> 
> 
> > -----Original Message-----
> > From: [email protected] [mailto:[email protected]] 
> > On Behalf Of samguns_org
> > 
> > Hi,
> >    According to the user manual, maximum number of program/erase 
> > cycles are 100. Is that means no matter what operating 
> > temperature is, 
> > the data in CMF are not guaranteed if the P/E operation beyond that 
> > value? And what will occur?
> > 
> > Regards,
> > vai
> 
> 
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