Microchip Technology

AT24HC04BN-SP25-B

AT24HC04BN-SP25-B Description

The AT24HC04BN-SP25-B is an EEPROM memory IC chip designed by Microchip Technology, featuring a 4Kbit memory size organized in a 512 x 8 format. This automotive-grade device is ideal for applications requiring reliable and efficient data storage. It operates within a supply voltage range of 2.5V to 5.5V and supports an I2C memory interface with a clock frequency of up to 400 kHz. The chip is housed in an 8SOIC package and is available in a tray format. Despite its obsolete status, the AT24HC04BN-SP25-B remains a robust solution for specific applications due to its proven performance and compatibility.

AT24HC04BN-SP25-B Features

• Memory Size and Organization: The AT24HC04BN-SP25-B offers a 4Kbit memory size, organized into 512 x 8 bits, providing ample storage for various data types.
• I2C Interface: Equipped with an I2C memory interface, this chip supports a clock frequency of up to 400 kHz, ensuring fast and efficient data transfer.
• Access Time: With an access time of 900 ns, the AT24HC04BN-SP25-B delivers quick read operations, enhancing overall system performance.
• Write Cycle Time: The write cycle time for word and page operations is 5ms, ensuring reliable and efficient data writing.
• Voltage Range: The device operates within a supply voltage range of 2.5V to 5.5V, providing flexibility in power supply requirements.
• Automotive Grade: Certified for automotive applications, the AT24HC04BN-SP25-B meets stringent reliability and performance standards.
• Surface Mount: The surface mount mounting type facilitates easy integration into modern PCB designs.
• Obsolete Status: While marked as obsolete, the AT24HC04BN-SP25-B continues to be a reliable choice for legacy systems and specific applications where its features are still relevant.

AT24HC04BN-SP25-B Applications

The AT24HC04BN-SP25-B is well-suited for a variety of applications, particularly those in the automotive sector. Its automotive-grade certification makes it ideal for use in:

• Automotive Control Units: Reliable storage of configuration data and parameters for engine control units, transmission control units, and other automotive electronic systems.
• Telematics Systems: Efficient data storage for telematics devices, ensuring accurate and timely data logging.
• Infotainment Systems: Storing user preferences and system settings in automotive infotainment systems.
• Industrial Control Systems: Providing reliable data storage for industrial applications where EEPROM technology is preferred.
• Legacy Systems: Ideal for maintaining and upgrading legacy systems that still utilize this specific EEPROM technology.

Conclusion of AT24HC04BN-SP25-B

The AT24HC04BN-SP25-B, despite its obsolete status, remains a reliable and efficient EEPROM memory IC chip. Its automotive-grade certification, combined with its robust performance features, makes it a suitable choice for applications requiring reliable data storage. With a 4Kbit memory size, I2C interface, and a wide operating voltage range, the AT24HC04BN-SP25-B continues to offer value in specific use cases. For engineers and designers working on legacy systems or applications where this chip's features are still relevant, the AT24HC04BN-SP25-B remains a viable solution.