ROHM Semiconductor
ROHM BR24G256FVM-5TR, 256kbit EEPROM Memory 8-Pin MSOP Serial-2 Wire, Serial-I2C, Mounting Type: Surface Mount, Organisation: 32K x 8 bit, Minimum Operating Supply Voltage: 1.6 V, Maximum Operating Supply Voltage: 5.5 V, Programming Voltage: 1.6 → 5.5V, Number of Bits per Word: 8bit, Dimensions: 2.9 x 2.8 x 0.75mm, Data Retention: 200yr, Maximum Operating Temperature: +85 °C, Minimum Operating Temperature: -40 °C