24AA025E64T-E/SN

Memory IC Overview

The Microchip Technology 24AA025E64T-E/SN is a 2 Kbit Electrically Erasable PROM organized as two blocks of 128 x 8-bit memory. It features a 2-wire serial interface compatible with I2C, supporting clock frequencies up to 400 kHz at VCC levels between 2.5V and 5.5V, and 100 kHz when VCC is below 2.5V. The device operates on a single supply ranging from 1.7V to 5.5V. It includes a 16-byte page write buffer and pre-programmed globally unique 64-bit EUI-64 node addresses stored in the upper half of the array. The component is housed in an 8-lead SOIC package and supports industrial temperature ranges.

Memory IC Feature Summary

• Pre-programmed with globally unique 64-bit EUI-64 node addresses for direct system integration
• Low-power CMOS technology enabling operation down to 1.7V with minimal standby current consumption
• Integrated Schmitt trigger inputs and output slope control to suppress noise and eliminate ground bounce
• Hardware write protection for the upper half of the memory array containing the node address

Memory IC Applications

• Systems requiring unique hardware identification without external configuration
• I2C bus networks needing multiple addressable devices with distinct identities
• Low-voltage embedded applications requiring non-volatile data storage alongside identity management

Memory IC Procurement Notes

Verify that the specific ordering suffix matches the required temperature grade and packaging format. Confirm the presence of the EUI-64 identifier variant rather than the EUI-48 version. Ensure the voltage range requirements align with the 1.7V to 5.5V operational specification. Check for RoHS compliance status if environmental regulations apply to the final assembly.

Memory IC Selection Notes

Select this component when a unique IEEE-compliant 64-bit identifier is required directly within the EEPROM structure. It is suitable for designs utilizing the I2C protocol with standard pull-up configurations. Consider the 16-byte page write capability for efficient data handling. Verify that the application environment falls within the specified electrical and thermal operating limits defined in the datasheet.

Memory IC Part Context

This part belongs to the 24AA02XEXX family of 2 Kbit serial EEPROMs manufactured by Microchip Technology. The family distinguishes itself through factory-programmed node addresses compliant with IEEE standards. Variants exist for both EUI-48 and EUI-64 addressing schemes. The device utilizes a standard I2C interface, making it compatible with a wide range of microcontrollers and system buses.

Memory IC Replacement Considerations

Direct substitutes include other members of the 24AA02XEXX family such as the 24AA02E64 or 24AA025E64 variants, provided the package and temperature grade match. Cross-referencing with similar I2C EEPROMs requires verification of pin compatibility and voltage specifications.