4442/5542
detail:
256bytes of EEPROM
32 bit Protected Storage
3bytes user password
temperature range:0-70degree
at least 100,000 times rewrite
at least 10 years data storage life

4428/5582
detail
1024 bytes of EEPROM
1024bytes of protection zone
2bytes user paaword, 2 tomes off error count
temperature range: -35to 80 degree
at least 100,000 times rewrite cycle
at leasr 10 data storage life

other chip modes
24C01A/02/04/08/16/64 etc.
93C46/93C46A
88SC1604