25LC1024T-I/MF

Overview

The Microchip Technology 25LC1024T-I/MF is a 1-Mbit (128K x 8) serial EEPROM utilizing an SPI-compatible interface. It operates within a voltage range of 2.5V to 5.5V and supports clock frequencies up to 20 MHz at higher voltages or 10 MHz at lower voltages. The device features a 256-byte page size, a maximum write cycle time of 6 ms, and an industrial temperature range of -40°C to +85°C. Packaged in an 8-lead DFN-S (6x5 mm) format with an exposed pad, it includes hardware write protection and deep power-down capabilities.

Feature Summary

• Supports byte and page-level write operations without requiring prior sector or page erase cycles.
• Includes built-in hardware write protection via the WP pin and software block protection bits.
• Features a HOLD input to suspend serial communication without resetting the sequence.
• Provides electronic signature identification for device verification.

Applications

• Microcontroller-based systems requiring non-volatile data storage
• Configuration parameter persistence in embedded devices
• Calibration data retention for sensor modules

Procurement Notes

Verify that the ordering suffix 'MF' corresponds to the 8-lead DFN-S package type as specified in the datasheet. Confirm the '-I' suffix indicates the Industrial temperature range (-40°C to +85°C). Ensure compatibility with the host system's SPI voltage levels and clock speed requirements before procurement.

Selection Notes

Select this component when a 1-Mbit capacity is required with a compact surface-mount footprint. The DFN-S package offers a small form factor suitable for space-constrained designs. Consider the 20 MHz maximum clock speed for high-throughput applications, noting the reduced speed limit at lower supply voltages.

Part Context

This part belongs to the 25LC1024 series of 1-Mbit SPI Serial EEPROMs manufactured by Microchip Technology. The series includes variants with different packages such as PDIP and SOIJ, and temperature ranges including Extended (-40°C to +125°C). The T-I/MF designation specifically identifies the tape-and-reel version in the industrial temperature grade with the DFN-S package.

Replacement Considerations

Cross-reference with other 25LC1024 variants like 25LC1024T-I/SM (SOIJ package) or 25LC1024-I/P (PDIP package) if package compatibility differs. Verify electrical characteristics and pinouts remain identical across package types.