FM4428 chip parameters:

1024 byte EEPROM

1024 byte write protected area (solidified data)

2 byte password, 8 error counts

Low temperature period - 35 ℃ ~ 80 ℃

At least 100,000 wipe cycles

At least 10 years of data storage

Mainly suitable for telecommunication CARDS, integrated circuit CARDS, membership CARDS, electronic tickets, medical, insurance, transportation, schools and so on.