Possibly GPL191B2V11 based on pad layout in datasheet (GPL191B2V11_ds.pdf). Close but not exact match
“The 2017 one looks like the 2017 rerelease model of the Tamagotchi Mini: https://tamagotchi.fandom.com/wiki/Tamagotchi_Mini”
Sample TM17
Above: representative unit, picture not avail for one actually decapped
GCH 462
MZ @ 20x