Судя по даташиту - это бессвинцовая "зеленая" версия ("Pb-Free"), должен подойти.
Ordering Information
Note: 1. Pb-free packaging alternative, complies to the European Directive for Restriction of Hazardous Substances (RoHS directive).
Also Halide free and fully Green.
(-40oC to 85oC)
Commercial
(0oC to 70oC)
ATmega16-16AI
ATmega16-16AU(1)
ATmega16-16PI
ATmega16-16PU(1)
ATmega16-16MI
ATmega16-16MU(1)