S32K116 Customer FMEDA LFM for RAM

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S32K116 Customer FMEDA LFM for RAM

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nxf47333
NXP Employee
NXP Employee

Hi Team,

Customer think, LFM data provided in Module FMEDA is not correct,

nxf47333_0-1684378864023.png

per failure rate in FMEDA summary, calculated LFM is >99%,

nxf47333_1-1684378996174.png

i checked the internal FMEDA, the LFM is

nxf47333_2-1684379109001.png

could you please help clarify the difference, and check the correct value.

 

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Yashwant_Singh
NXP Employee
NXP Employee

The metrics reflected in the customer version depend upon the target SIL that has been selected. See below Screen Shots for reference.

Yashwant_Singh_0-1685609282684.png

 

Yashwant_Singh_1-1685609282724.png

 

 

Yashwant_Singh_2-1685609282751.png

 

If the metrics are higher than what is the target for the next ASIL then they are trimmed at the next ASIL's target values. The intention it seems is to indicate to the customer that they are able to meet the target for the next ASIL using the present configurations.

Let us know if there’s still any confusion

 

Thanks!

-Yashwant

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