STMicroelectronics 256 kB EEPROM Serial I2C Interface 4-Pin WLCSP-4 Package M24256X-FCU6T/VF

STMicroelectronics M24256X-FCU6T/VF is a high-reliability 256 kB Electrically Erasable Programmable Read-Only Memory (EEPROM) designed for applications requiring low power consumption and durable data storage. This device features a serial I2C interface with a maximum clock frequency of 1 MHz, enabling seamless communication in embedded and industrial control systems.

Engineered to operate within a wide voltage range from 1.65 V minimum to 3.6 V maximum, it is suitable for various power supply conditions. The device encapsulated in a compact 4-pin WLCSP-4 surface-mount package measures 980μm in length, 700μm in width, and 200μm in height, featuring minimal board footprint ideal for space-constrained environments.

The memory organization of 32K words × 8 bits supports efficient data storage with 8 bits per word. Its durable design allows for more than 4 million write cycles and a data retention capability lasting 200 years, making it dependable for long-term applications. This EEPROM complies with Automotive Standard AEC-Q100, ensuring robustness under automotive environmental stresses.

256 kB memory size organized as 32K x 8 bits. Serial I2C interface supporting up to 1 MHz clock speed. Compact 4-Pin WLCSP-4 surface mount package. Operating voltage range between 1.65 V and 3.6 V. Operating temperature range from -40 °C to 85 °C.

Data retention time of 200 years with endurance over 4 million write cycles. Maximum random access time of 450 ns. Automotive standard AEC-Q100 compliant.

This EEPROM device is ideal for use in automotive electronic systems, industrial automation, data logging devices, and other embedded applications requiring reliable non-volatile memory with fast access and extended lifetime. Its small package and high endurance support compact and durable circuit designs.

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