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AT24C21-10SI-2.5

AT24C21-10SI-2.5 Description

The AT24C21-10SI-2.5 is a 1Kbit EEPROM memory IC designed by Microchip Technology, featuring an I2C interface and a clock frequency of 100 kHz. This device is housed in an 8SOIC package and operates within a supply voltage range of 2.5V to 5.5V. Despite being marked as obsolete, the AT24C21-10SI-2.5 remains a reliable choice for applications requiring non-volatile memory storage. It offers a memory organization of 128 x 8 and has an access time of 3.5 µs, ensuring quick data retrieval. The write cycle time for a word or page is 10ms, providing efficient data writing capabilities. The device is REACH unaffected and has a moisture sensitivity level (MSL) of 1, making it suitable for a wide range of environmental conditions.

AT24C21-10SI-2.5 Features

• Technology: Utilizes EEPROM technology, ensuring data retention even when power is lost.
• Memory Size: 1Kbit, organized as 128 x 8, providing sufficient storage for small to medium-sized data sets.
• Interface: I2C interface with a clock frequency of 100 kHz, facilitating easy integration into systems requiring low-speed data communication.
• Operating Voltage: Wide voltage range of 2.5V to 5.5V, offering flexibility in power supply options.
• Access Time: Fast access time of 3.5 µs, enabling quick read operations.
• Write Cycle Time: 10ms for word or page writes, ensuring efficient data storage.
• Package: 8SOIC package, suitable for surface mount applications, providing a compact and reliable solution.
• Environmental Compliance: REACH unaffected and MSL 1, ensuring compliance with environmental regulations and suitability for various operating conditions.
• Manufacturer: Microchip Technology, a trusted name in the semiconductor industry, ensuring high-quality and reliable performance.

AT24C21-10SI-2.5 Applications

The AT24C21-10SI-2.5 is ideal for applications that require non-volatile memory storage with low power consumption and a compact form factor. Some specific use cases include:

• Embedded Systems: Ideal for small-scale embedded systems where non-volatile storage is needed for configuration data or firmware.
• Consumer Electronics: Suitable for devices such as remote controls, small appliances, and portable electronics that require minimal memory storage.
• Industrial Control: Can be used in industrial control systems for storing calibration data or operational parameters.
• Medical Devices: Applicable in medical devices for storing patient data or device settings, ensuring data integrity and reliability.
• Automotive Applications: Useful in automotive systems for storing critical data such as vehicle configuration or diagnostic information.

Conclusion of AT24C21-10SI-2.5

The AT24C21-10SI-2.5 offers a robust and reliable solution for applications requiring non-volatile memory storage. Its EEPROM technology ensures data retention even in the absence of power, making it suitable for a wide range of applications. The device's fast access time and efficient write cycle time provide quick data retrieval and storage capabilities. Despite being marked as obsolete, the AT24C21-10SI-2.5 remains a viable option for designers looking for a compact and reliable memory solution. Its wide operating voltage range and environmental compliance further enhance its versatility and suitability for various operating conditions.