24FC04-I/ST

Memory IC Overview

The Microchip Technology 24FC04-I/ST is a 4-Kbit Electrically Erasable PROM (EEPROM) organized as two blocks of 256 x 8-bit memory. It features a Two-Wire Serial Interface compatible with I2C protocols, supporting maximum clock frequencies up to 1 MHz across the full operating voltage range of 1.7V to 5.5V. The device utilizes low-power CMOS technology, ensuring active read currents of 1 mA and standby currents of 1 µA at industrial temperatures. It includes a 16-byte page write buffer, hardware write-protect functionality via the WP pin, and Schmitt trigger inputs for noise suppression.

Memory IC Feature Summary

• Supports high-speed serial communication with I2C compatibility up to 1 MHz
• Enables hardware-based write protection through the dedicated WP pin
• Incorporates Schmitt trigger inputs and output slope control for signal integrity
• Features self-timed erase/write cycles with automatic acknowledge polling

Memory IC Applications

• Industrial systems requiring non-volatile data storage in noisy environments
• Embedded controllers needing configuration parameter retention
• Low-voltage portable devices utilizing single-supply operation down to 1.7V
• Automotive applications meeting AEC-Q100 qualification standards

Memory IC Procurement Notes

Verify that the ordering suffix 'I' corresponds to the Industrial temperature range (-40°C to +85°C). Confirm the 'ST' suffix indicates the 8-Lead SOIC package type. Ensure the specific revision matches the required datasheet version DS20001708P. Check for RoHS compliance status if environmental regulations apply to the target assembly process.

Memory IC Selection Notes

Select this component when an I2C interface is required with speeds up to 1 MHz. Choose this part over variants like 24LC04B if operation below 2.5V is necessary, as it supports voltages down to 1.7V. Consider the 8-Lead SOIC package for surface-mount assembly requirements. Verify that the 4-Kbit capacity meets the application's storage needs without excessive overhead.

Memory IC Part Context

This device belongs to the 24XX04 family, which includes the 24AA04 and 24LC04B models. While sharing similar physical interfaces and memory architectures, the 24FC04 is distinguished by its ability to operate at higher clock frequencies (1 MHz) compared to the 400 kHz limit of other family members at equivalent voltages. It shares the same pinout and functional logic but offers enhanced speed performance within the specified voltage range.

Memory IC Replacement Considerations

Direct substitutes include the 24AA04-I/ST and 24LC04B-I/ST, provided the system can accommodate their lower 400 kHz maximum clock frequency limits. Ensure the replacement variant supports the required supply voltage range, particularly if the design operates near or below 2.5V.