Microchip Technology 25LC256-I/ST Serial EEPROM

The 25LC256-I/ST is a high-performance 256Kb Serial Electrically Erasable Programmable Read-Only Memory (EEPROM) device from Microchip Technology, designed to provide efficient non-volatile memory storage solutions for a wide range of applications. This device operates over the industrial temperature range (-40°C to +85°C), making it suitable for various challenging environments.

Featuring a simple serial interface that supports the standard Serial Peripheral Interface (SPI) protocol, the 25LC256-I/ST ensures seamless integration with most microcontrollers and is capable of high-speed data transfer. The EEPROM is organized as 32,768 x 8 bits, which allows for flexible data storage and is ideal for parameter settings, calibration data, and device configuration where frequent or rapid updates are necessary.

The 25LC256-I/ST offers several key features that make it a reliable choice for designers and engineers:

• Wide Voltage Range: The device operates on a voltage range of 2.5V to 5.5V, accommodating various system power supplies and ensuring compatibility with both 3.3V and 5V logic levels.
• High-Speed Write Cycle: With a write cycle time of just 5ms, the EEPROM enables quick updates to stored data, reducing downtime and increasing system efficiency.
• Write Protection: The device includes hardware and software write protection features, including block write protection. This prevents accidental overwrites and data corruption, ensuring the integrity of the stored information.
• Endurance and Data Retention: The 25LC256-I/ST is rated for over 1 million write cycles and has a data retention period of over 200 years, offering a robust storage solution that can withstand the test of time.
• Package: Available in a 14-pin TSSOP package, the EEPROM is compact and suitable for space-constrained applications.

Whether it's for industrial controls, automotive systems, medical devices, or consumer electronics, the Microchip Technology 25LC256-I/ST Serial EEPROM provides a reliable and flexible storage solution that designers can trust for their critical data storage needs.