The M24128 is a 128-Kbit I2C-compatible EEPROM (Electrically Erasable PROgrammable Memory) organized as 16 K x 8 bits. The M24128-BW can operate with a supply voltage from 2.5 V to 5.5 V, the M24128-BR can operate with a supply voltageCompatible with all I2C bus modes:1 MHz400 kHz100 kHzMemory array:128 Kbit (16 Kbyte) of EEPROMPage size: 64 byteAdditional Write lockable page Single supply voltage and high speed:1 MHz clock from 1.7 V to 5.5 VWrite:Byte Write within 5 msPage Write within 5 msOperating temperature range:from -40 °C up to +85 °CRandom and sequential Read modesWrite protect of the whole memory arrayEnhanced ESD/Latch-Up protectionMore than 4 million Write cyclesMore than 200-years data retentionPackagesSO8 TSSOP8 UFDFPN8 WLCSP UFDFPN5 Unsawn wafer (each die is tested)