24FC64FT-I/ST

Memory IC Overview

The Microchip Technology 24FC64FT-I/ST is a 64-Kbit Electrically Erasable PROM organized as an 8K x 8-bit memory block. It features a Two-Wire Serial Interface compatible with I2C protocols and supports clock frequencies up to 1 MHz at supply voltages of 2.5V or higher. The device operates on a single supply ranging from 1.7V to 5.5V, drawing a maximum read current of 400 µA and standby current of 1 µA. It includes hardware write protection for the upper quarter of the array (addresses 1800h-1FFFh) via the WP pin and utilizes a 32-byte page write buffer. The component is housed in an 8-lead TSSOP package and is rated for industrial temperature operation between -40°C and +85°C.

Memory IC Feature Summary

• Supports high-speed serial data transmission with a 1 MHz clock frequency capability under standard operating voltage conditions.
• Provides hardware-based write protection for the upper quarter of the memory array to prevent unauthorized modifications.
• Features a 32-byte page write buffer to optimize data writing efficiency and reduce internal programming cycle overhead.

Memory IC Applications

• Personal communications devices requiring low-power non-volatile storage
• Data acquisition systems needing reliable parameter retention
• Industrial control applications utilizing I2C bus architectures

Memory IC Procurement Notes

Verify that the specific ordering suffix 'T' corresponds to tape-and-reel packaging when sourcing components. Confirm the 'I' designation aligns with the required industrial temperature range specifications for your application environment. Ensure compatibility with the host controller's I2C voltage levels and pull-up resistor requirements before integration.

Memory IC Selection Notes

Select this component when high-speed serial communication is required alongside low power consumption. The 1 MHz clock speed distinguishes it from standard 400 kHz variants within the same family. Consider the hardware write-protect feature if partial memory locking is necessary without software overhead. Verify package availability matches your PCB layout constraints.

Memory IC Part Context

This part belongs to the 24AA64F/24LC64F/24FC64F series of 64-Kbit I2C Serial EEPROMs. The 'FC' variant specifically denotes support for 1 MHz clock speeds, whereas other family members are limited to 400 kHz. All variants share identical memory organization and physical pinouts, differing primarily in electrical performance characteristics and minimum operating voltage thresholds.

Memory IC Replacement Considerations

Direct functional substitutes within the same manufacturer include the 24FC64F-I/ST, which shares identical electrical specifications but may differ in shipping packaging format. Cross-family replacements like the 24LC64F require verification of reduced clock speed limitations.