Microchip Technology 25LC040X-I/ST EEPROM

The 25LC040X-I/ST is a 4 Kbit Electrically Erasable Programmable Read-Only Memory (EEPROM) device from Microchip Technology, designed to provide a robust storage solution for applications requiring data retention and flexible data updates. This particular EEPROM comes in a TSSOP package and is characterized by its industrial temperature range, making it suitable for a wide array of applications.

Key Features:

• Memory Size: The device offers 4 Kbit (512 x 8) of memory, providing sufficient space for configuration parameters, serial numbers, calibration data, and more.
• Interface: It features a Serial Peripheral Interface (SPI) with clock rates up to 10 MHz, enabling fast data transfer and simple integration with most microcontrollers.
• Operating Voltage Range: The EEPROM operates across a voltage range of 2.5V to 5.5V, accommodating various logic levels and system power supplies.
• Temperature Range: With an industrial temperature rating from -40°C to +85°C, the 25LC040X-I/ST is designed to perform reliably in harsh environments.
• Write Protection: The device includes hardware and software write protection features, including block write protection, to prevent accidental data corruption and ensure data integrity.
• Endurance: The EEPROM is capable of 1 million erase/write cycles, guaranteeing a long operational lifespan for applications with frequent data updates.
• Data Retention: Data retention is rated for a minimum of 100 years, offering a stable and reliable form of non-volatile storage.

The 25LC040X-I/ST is ideal for applications in the industrial, automotive, telecommunications, and consumer electronics sectors. Its small form factor, combined with its low-power consumption and high reliability, make it an excellent choice for portable devices, IoT applications, and systems requiring frequent parameter adjustments or data logging.

Microchip Technology's commitment to quality ensures that the 25LC040X-I/ST EEPROM meets the rigorous standards required for industrial-grade components, providing designers with confidence in their choice of storage solution.