Is there any difference to the user between the MKMxxZxxAxx5 and the MKMxxZxxACxx5 (second silicon revison) versions of the KM3x MCUs? I can't find any documentation listing the differences, if any, between the versions.
In this case the "C" means that the device counts with the silicon mask "1N74G"
While the "AC" means that it counts with the silicon mask "1N29N" with some errata fixes. Actually it is recommended for new designs.
Hope this information will be useful for you.
Have an excellent day.
Thanks for this information. So I am right in thinking that the only difference is the silicon mask used in fabricating the devices? The rest of the production process and everything else is the same?
I am glad to help you.
Indeed, the rest of the production process and everything else is the same.
Basically the main difference between these devices is the silicon mask.
Please be aware about the Erratas mentioned before.
Thanks for confirming this. Is a new part name used every time you change the silicon mask? I.e., if you change it again in the future, for example to remedy another errata, will a new part name e.g. "BC" be used?
Usually you can find that kind of information at the datasheet, in this case at the Chapter 2 'Part Identification'.
Please note the Silicon revision parameter.
Please find the datasheet mentioned at the following link:
OK. Are you planning to release a third silicon revision to fix the remaining erratas? I'm trying to work out how quickly the MKMxxZxxACxx5 is likely to become obsolete. I see the previous MKMxxZxxCxx5 has become no longer recommended for new designs since the MKMxxZxxACxx5 was released.
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