AT25256B-SSHL-T: A High-Performance 256K SPI Serial EEPROM Solution by Microchip Technology
The AT25256B-SSHL-T is a 256-Kbit Serial EEPROM device manufactured by Microchip Technology, designed for applications requiring reliable non-volatile memory with a simple interface. This memory IC is organized as 32,768 words of 8 bits each and supports the industry-standard Serial Peripheral Interface (SPI) bus, enabling high-speed data transfer and easy integration with a wide range of microcontrollers and digital systems.
One of the key features of this EEPROM is its low-power consumption, making it suitable for battery-powered and portable devices such as IoT sensors, smart meters, medical devices, and consumer electronics. It operates over a broad voltage range (1.7V to 5.5V), providing design flexibility across different power environments. The device also offers a maximum clock frequency of 10 MHz, facilitating rapid read and write operations and improving overall system performance.
The AT25256B-SSHL-T includes advanced functionality such as hardware write protection and a software protection mechanism to prevent accidental data corruption. It supports both byte-level and page-level write modes, with a page size of 64 bytes, allowing efficient memory management. With a endurance of over 1,000,000 write cycles and a data retention period of up to 100 years, this EEPROM ensures long-term reliability and data integrity.
Packaged in an 8-lead SOIC format, the device is RoHS compliant and designed for automated assembly processes, supporting high-volume manufacturing. Its compact form factor and robust performance make it an ideal choice for space-constrained and reliability-focused applications.

ICGOOODFIND: The AT25256B-SSHL-T from Microchip Technology stands out as a highly efficient and dependable SPI EEPROM, combining high speed, low power, and exceptional durability for modern embedded systems.
Keywords:
SPI EEPROM
Low-Power Operation
Non-Volatile Memory
High Reliability
Microchip Technology
