The 24AA64-I/ST is a 64Kb I2C™ compatible Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) designed by Microchip Technology, a leading provider of microcontroller and analog semiconductors. This device is particularly well-suited for applications requiring data storage that must be preserved during power loss, such as configuration settings, calibration data, and user preferences.

Key Features

• Memory Size: 64 Kbits (8,192 x 8)
• Interface Type: I2C (2-wire serial interface)
• Speed: Supports standard and fast I2C modes (100 kHz and 400 kHz)
• Operating Voltage: 1.7V to 5.5V, suitable for battery-operated applications
• Temperature Range: Industrial grade (-40°C to +85°C), ensuring reliable operation under extreme conditions
• Packaging: RoHS-compliant TSSOP 8-pin package, ideal for space-constrained applications
• Write Cycle Time: 5 ms max, enabling efficient data management and storage
• Write Protect: Software write protection for the entire memory array
• Endurance: 1 million write cycles, ensuring long-term reliability
• Data Retention: Rated at over 100 years, providing peace of mind for critical data storage

Applications

The 24AA64-I/ST is versatile and can be used in a wide range of applications across various industries. Its robust feature set makes it ideal for:

• Industrial and automotive systems requiring non-volatile memory
• Consumer electronics for configuration storage
• Medical devices where calibration data must be preserved
• Smart cards and identification systems

Conclusion

With its high reliability, extensive endurance, and wide operating voltage range, the Microchip Technology 24AA64-I/ST EEPROM stands out as a premier choice for designers looking for a non-volatile memory solution that will preserve data integrity over an extended period. Its small form factor and low power consumption make it an excellent choice for portable and power-sensitive applications.