| Format - Memory Memory Type Memory Size Speed Interface Voltage - Supply Operating Temperature Package / Case Supplier Device Package | EEPROMs - Serial EEPROM 4K (512 x 8 or 256 x 16) 250kHz, 1MHz, 2MHz Microwire, 3-Wire Serial 1.7 V ~ 5.5 V -40°C ~ 85°C 8-UFDFN Exposed Pad 8-Mini Map (2x3) |