STMicroelectronics M24256X-FCU6T/VF, 256kbit EEPROM Memory Chip, 450ns 4-Pin WLCSP-4 Serial-I2C

The STMicroelectronics M24256X-F series can operate with a supply voltage from 1.65 V to 3.6 V, with a clock frequency up to 1 MHz, over an ambient temperature range from -40 °C to +85 °C. It can also operate down to 1.6 V, under some restricting conditions.

Configurable device address register
Software write protection register
More than 4 million write cycles
More than 200-year data retention

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