AT25256B-MAHL-T: A High-Performance 256Kb SPI Serial EEPROM Solution by Microchip Technology

The AT25256B-MAHL-T is a 256-kilobit Serial EEPROM device from Microchip Technology, designed for reliable non-volatile data storage in a wide array of applications. This memory IC utilizes the ubiquitous SPI (Serial Peripheral Interface) bus, enabling simple and efficient communication with a host microcontroller (MCU) with minimal wiring. It is engineered to deliver high performance, exceptional reliability, and low power consumption, making it an ideal choice for modern electronic systems.

A key feature of this device is its advanced SPI compatibility. It supports SPI mode 0 (0,0) and mode 3 (1,1) operations, providing design flexibility. Furthermore, it features a hardware write-protect pin that safeguards memory contents against accidental writes, enhancing data integrity in critical applications. The AT25256B-MAHL-T also boasts a highly resilient endurance rating, capable of supporting over 1 million write cycles and retaining data for more than 100 years, ensuring long-term reliability.

Organized as 32,768 words of 8 bits each, it offers ample storage for configuration parameters, calibration data, and event logging. Its operation is optimized for low power consumption, which is crucial for battery-powered and portable devices. The device is offered in a space-saving 8-lead MAHL (8-pad UDFN) package, suitable for compact PCB designs.

Typical applications span across numerous industries, including:

Automotive Electronics: Storing critical vehicle data and settings.

Industrial Automation: Holding configuration parameters for system controllers.

Consumer Electronics: Used in smart home devices, wearables, and printers.

Telecommunications: Storing module identification and calibration data.

ICGOODFIND: The AT25256B-MAHL-T from Microchip Technology stands out as a robust, high-endurance, and low-power serial EEPROM solution, offering designers a dependable and efficient method for adding non-volatile memory in space-constrained and power-sensitive applications.

Keywords: SPI EEPROM, Non-volatile Memory, Microchip Technology, Low Power Consumption, Hardware Write Protection.