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AT24C21-10SC-2.5

AT24C21-10SC-2.5 Description

The AT24C21-10SC-2.5 is a 1Kbit EEPROM memory IC chip manufactured by Microchip Technology. This device is designed for applications requiring reliable and efficient data storage with a memory organization of 128 x 8 bits. The AT24C21-10SC-2.5 operates within a voltage range of 2.5V to 5.5V and supports an I2C memory interface with a clock frequency of 100 kHz. It features an access time of 3.5 µs and a write cycle time of 10ms for word and page operations. The chip is housed in a surface-mount 8SOIC package and is suitable for operating temperatures ranging from 0°C to 70°C (TA). Despite its obsolete product status, the AT24C21-10SC-2.5 remains a viable option for specific applications due to its robust performance and compatibility.

AT24C21-10SC-2.5 Features

• EEPROM Technology: The AT24C21-10SC-2.5 utilizes EEPROM technology, which allows for non-volatile data storage, ensuring data retention even when power is lost.
• Fast Access Time: With an access time of 3.5 µs, this IC provides quick read and write operations, enhancing overall system performance.
• Wide Voltage Range: The device operates within a voltage range of 2.5V to 5.5V, offering flexibility in power supply requirements.
• I2C Interface: The I2C memory interface with a clock frequency of 100 kHz simplifies communication with other components, reducing the number of pins required for data transfer.
• Low Write Cycle Time: A write cycle time of 10ms for word and page operations ensures efficient data writing, suitable for applications requiring frequent updates.
• Surface-Mount Packaging: The 8SOIC package is ideal for surface-mount applications, providing a compact and reliable solution for modern electronic designs.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the AT24C21-10SC-2.5 is suitable for various environmental conditions without the need for special handling.
• Compliance: The device is REACH unaffected and classified under ECCN EAR99 and HTSUS 8542.32.0051, ensuring compliance with international regulations.

AT24C21-10SC-2.5 Applications

The AT24C21-10SC-2.5 is well-suited for a variety of applications where reliable data storage and quick access are essential. Some specific use cases include:

• Embedded Systems: Ideal for embedded systems requiring non-volatile memory for storing configuration data, calibration parameters, and firmware updates.
• Consumer Electronics: Suitable for consumer devices such as digital cameras, MP3 players, and smart home appliances where data retention is critical.
• Industrial Control: Can be used in industrial control systems for storing sensor data, operational parameters, and calibration settings.
• Telecommunications: Applicable in telecommunication equipment for storing network configuration data and device-specific information.
• Medical Devices: Useful in medical devices for storing patient data, device calibration, and operational logs, ensuring data integrity and reliability.

Conclusion of AT24C21-10SC-2.5

The AT24C21-10SC-2.5, despite being an obsolete product, continues to offer significant advantages for applications requiring a reliable and efficient EEPROM solution. Its fast access time, wide voltage range, and I2C interface make it a versatile choice for various electronic systems. The device's compact surface-mount packaging and compliance with international regulations further enhance its appeal. While newer alternatives may exist, the AT24C21-10SC-2.5 remains a robust option for specific applications where its unique features and performance benefits are highly valued.