24LC64FT-I/SN

Memory IC Overview

The Microchip Technology 24LC64FT-I/SN is a 64 Kbit (8K x 8) serial EEPROM featuring an I²C-compatible 2-wire interface. It operates on a single supply voltage ranging from 2.5V to 5.5V with a maximum clock frequency of 400 kHz and a typical access time of 900 ns. The device utilizes low-power CMOS technology, offering a standby current of 1 µA maximum and read current of 400 µA maximum. It includes a 32-byte page write buffer, self-timed erase/write cycles, and hardware write protection for the upper quarter of the array. The component is housed in an 8-lead SOIC package and supports industrial temperature ranges.

Memory IC Feature Summary

• Supports cascading up to eight devices on the same bus using three functional address pins.
• Includes Schmitt trigger inputs for noise suppression and output slope control to eliminate ground bounce.
• Provides hardware write protection for the upper quarter of the memory array via the WP pin.
• Features a 32-byte page write buffer to enhance data transfer efficiency.

Memory IC Applications

• Personal communications systems requiring low power consumption
• Data acquisition applications
• Industrial control systems
• Power management circuits

Memory IC Procurement Notes

Verify that the ordering suffix 'T' corresponds to tape and reel packaging as specified by the manufacturer. Confirm the 'I' suffix indicates the industrial temperature grade range of -40°C to +85°C. Ensure the 'SN' designation matches the required 8-lead SOIC package dimensions. Cross-reference the specific revision level against the latest datasheet DS22154B to confirm compatibility with system requirements.

Memory IC Selection Notes

Select this component when a non-volatile memory solution with I²C connectivity is required for space-constrained designs. The 64 Kbit capacity suits applications needing moderate storage for configuration data or small datasets. The industrial temperature rating makes it suitable for environments exceeding commercial limits. Consider the 32-byte page buffer for write performance optimization over byte-write operations.

Memory IC Part Context

This part belongs to the 24AA64F/24LC64F/24FC64F family of 64 Kbit serial EEPROMs. While sharing core architecture, the 24LC64F variant specifically requires a minimum operating voltage of 2.5V, distinguishing it from the 24AA64F and 24FC64F which support operation down to 1.7V. The family offers various package options including PDIP, TSSOP, MSOP, and TDFN.

Memory IC Replacement Considerations

Direct replacements within the same voltage and speed specifications include other 24LC64F variants with different packages such as 24LC64F-I/SO or 24LC64F-I/ST. For lower voltage applications, the 24AA64F series may be considered if the system supports 1.7V operation. Verify pinout compatibility and software protocol adherence when substituting.