The AT25080 is an 8-Kbit serial interface EEPROM (Electrically Erasable Programmable Read-Only Memory) from Atmel (now Microchip Technology). It uses the Serial Peripheral Interface (SPI) for communication, offering a simple and efficient way to store non-volatile data in embedded systems. This memory is organized as 1024 bytes and supports a variety of operating voltages.
Applications
- Storing configuration settings in embedded systems
- Data logging in industrial control applications
- Storing calibration data for sensors and instruments
- Storing user preferences in consumer electronics
- Storing security keys or identification information
Features
- SPI interface: Simplifies communication with microcontrollers and other SPI-compatible devices.
- 8-Kbit EEPROM: Organized as 1024 x 8 bits.
- Low voltage operation: Operates from a single 1.8V to 5.5V power supply.
- High-speed operation: Supports SPI clock frequencies up to 10 MHz.
- Self-timed write cycle: Eliminates the need for external timing components.
- Write protect feature: Prevents accidental data corruption.
- High endurance: Withstands up to 1,000,000 write cycles per byte.
- Data retention: Maintains data integrity for up to 100 years.
- Small package options: Available in SOIC, TSSOP, and other surface-mount packages.
Benefits
- Easy integration: SPI interface simplifies system design and reduces development time.
- Low power consumption: Ideal for battery-powered and energy-efficient applications.
- Non-volatile memory: Data is retained even when power is removed, ensuring reliable storage.
- High endurance and data retention: Provides long-term reliability and data integrity.
- Compact size: Saves valuable board space in space-constrained applications.
Additional Details
The AT25080 is designed to provide a reliable and flexible non-volatile memory solution for a wide range of embedded applications. Its SPI interface allows for easy communication with a variety of microcontrollers and other digital devices. The device features a self-timed write cycle, which simplifies the programming process. A write protect pin can be used to prevent accidental modification of the memory contents. The high endurance and data retention characteristics of the AT25080 make it suitable for applications that require frequent writing and long-term data storage. The different available package options provide flexibility in PCB layout and design. It is commonly used in applications requiring small storage, like keeping track of settings or error conditions.