24LC025-I/MS

Memory IC Overview

The Microchip Technology 24LC025-I/MS is a 2 Kbit (256 x 8) serial EEPROM utilizing an I²C-compatible 2-wire interface. It operates within a voltage range of 2.5V to 5.5V and supports clock frequencies up to 400 kHz, with a typical access time of 900 ns. The device features a 16-byte page write buffer and a maximum write cycle time of 5 ms. It is housed in an 8-lead MSOP package and functions reliably across an industrial temperature range of -40°C to +85°C.

Memory IC Feature Summary

• Supports cascading up to eight devices on the same bus using hardware address pins A0, A1, and A2 for contiguous memory expansion.
• Includes Schmitt trigger inputs and output slope control to suppress noise spikes and eliminate ground bounce during operation.
• Features low-power CMOS technology providing typical standby current of 1 μA and active read current of 1 mA.

Memory IC Applications

• Data logging systems requiring non-volatile storage for sensor readings or event timestamps
• Configuration storage for microcontroller-based embedded systems
• Calibration data retention in industrial instrumentation

Memory IC Procurement Notes

Verify that the specific application supply voltage remains above 2.5V, as this model does not support the lower 1.7V threshold available in the 24AA series. Confirm that the design does not require hardware write protection, as the WP pin is internally unconnected on the 24LC025 variant. Ensure the selected package matches the required PCB footprint for the 8-lead MSOP form factor.

Memory IC Selection Notes

Select the 24LC025 when the operating environment requires a minimum supply voltage of 2.5V. This part is suitable for designs where hardware write protection is managed via software rather than a dedicated pin. It serves as a direct functional alternative to the 24AA025 if the system power rail cannot drop below 2.5V, offering identical memory organization and interface protocols.

Memory IC Part Context

This component belongs to the 24AA024/24LC024/24AA025/24LC025 family of 2 Kbit Serial Electrically Erasable PROMs. While sharing the same physical package options and interface protocol, the 24LC025 is distinguished by its 2.5V minimum operating voltage, contrasting with the 1.7V capability of the 24AA025. It lacks the hardware write-protect pin found on the 24XX024 counterparts.

Memory IC Replacement Considerations

Public confirmed substitute part numbers: 24AA025-I/MS, 24LC025-I/SN, 24LC025-I/P.