24LC025T-E/OT

Memory IC Overview

The Microchip Technology 24LC025T-E/OT is a 2 Kbit (256 x 8) serial EEPROM utilizing an I2C-compatible 2-wire interface. It operates on a single supply voltage ranging from 2.5V to 5.5V and supports clock frequencies up to 400 kHz. The device features a page write buffer for up to 16 bytes, with a maximum write cycle time of 5 ms. It is housed in a 6-lead SOT-23 package and is rated for an extended industrial temperature range of -40°C to +125°C.

Memory IC Feature Summary

• Supports cascading up to eight devices on the same bus using hardware address pins A0 and A1.
• Includes Schmitt trigger inputs and noise filter circuits to suppress spikes on the SDA and SCL lines.
• Features output slope control designed to eliminate ground bounce during operation.

Memory IC Applications

• Data logging in automotive environments requiring high-temperature reliability.
• Configuration storage for embedded systems operating within the specified voltage range.
• Parameter retention in industrial controllers utilizing standard I2C communication protocols.

Memory IC Procurement Notes

Verify that the specific ordering suffix corresponds to the Automotive temperature grade (-40°C to +125°C) and the SOT-23-6 package configuration. Confirm compatibility with the required supply voltage range of 2.5V to 5.5V, as this variant does not support voltages below 2.5V unlike other members of the family. Ensure the application design accounts for the absence of a hardware write-protect pin on this specific package type.

Memory IC Selection Notes

Select this component when an I2C serial EEPROM is required for applications demanding operation at temperatures up to +125°C. The 24LC025T-E/OT is suitable for designs where the supply voltage remains between 2.5V and 5.5V. Note that unlike the 24LC024 variants, this device lacks a dedicated hardware write-protect pin, relying instead on software-based protection mechanisms.

Memory IC Part Context

This part belongs to the 24AA024/24LC024/24AA025/24LC025 family of 2 Kbit Serial Electrically Erasable PROMs. While sharing the same memory organization and interface, the 'E' designation indicates an extended temperature range compared to the standard Industrial ('I') grade. The 'T' suffix denotes tape-and-reel packaging, and '/OT' specifies the 6-lead SOT-23 form factor available exclusively for the 24XX025 capacity devices.

Memory IC Replacement Considerations

The 24LC025T-I/OT serves as a direct physical and functional substitute if the extended temperature range is not required. Other package variations such as 24LC025T-E/MC or 24LC025T-E/ST offer identical electrical specifications but utilize different footprints.