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Original question:

DS16F95QML-SP: Rad Hard Info Request

DS16F95QML-SP: Low dose rate testing

Guido Curci
Prodigy 60 points
Part Number: DS16F95QML-SP
Other Parts Discussed in Thread: DS16F95

Hello,

even if this device is a digital product and MIL-STD-833 states that the ELDRS testing can be omitted if the device is known not to contain any linear function by design, I also find the following statement in the component's datasheet:

"These parts may be dose rate sensitive in a space environment and demonstrate enhanced low dose rate effect. Radiation end point limits for the noted parameters are ensured only for the conditions as specified in MIL-STD 883, Method 1019, condition A."

For this reason our customer is worried about the suitability of the part for the radiation environment in which we are going to use it. How can we be sure that low dose rate effect won't degrade the performance of the device? Is it possibile to purchase the component with additional low dose rate testing performed by TI?

Thanks! 

  • 0
    TI__Genius 17125 points

    Hello Guido,

    That statement about that the part "may be dose rate sensitive in a space environment" was blanket statement put in all space datasheets where low dose rate testing was not done.  It probably should be removed from the datasheet to avoid confusion.

    TI has not done low dose rate testing on this part but someone else has.  Results can be found in this paper:

    A. T. Kelly, R. D. Brown, F. Wong, and P. R. Fleming, “Single event and low dose-rate effects in the DS16F95 RS-485 transceiver”, in Proc. IEEE Rad. Effects Data Workshop Rec., Jul. 2010, pp. 94-99

    Let us know if this is sufficient.

  • 0 in reply to Kirby Kruckmeyer96848
    Prodigy 60 points

    Thank you very much. So can you confirm that it is not possible to purchase this component with additional low dose testing?

    Thanks. 

  • 0 in reply to Guido Curci
    TI__Guru 74322 points

    Guido,

    I can confirm as much, to do this would require a lot of logistics on the back-end of this device's development. This isn't something that TI can commit to.

    Regards,

    Eric Hackett