Hi Pulsatrix P1,
Could you give me a screenshot in the K22 PB which says : MK22FN512VMP12 part will not be available soon?
I didn't find this description in the K20 PB.
As I know, MK22FN512VMP12 is still the kinetis hot product, from the MK22FN512VMP12 part details:
https://www.nxp.com/webapp/search.partparamdetail.framework?PART_NUMBER=MK22FN512VMP12&buyNow=true&f...
You can get that this part Life Cycle Description is PRODUCT RAPID GROWTH, Application/Qualification Tier is 10-YEARS APPLICATION LIFE.
So, you can use it in your new design.
Wish it helps you!
Have a great day,
Kerry
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