Knowledge Base Article
The following is the explanation of the alphabets in the part number: F -> the part is field programmable Z -> the package is TSSOP, default is SOIC K -> the part is from a new fab location X -> implies that the part is RoHS 6 compliant (Pb free) The difference between the parts CY22150KFZXC and CY22150FZXC is only of a fab location and they can be interchangeably used in each other's place.