24AA04T-I/ST

Memory IC Overview

The Microchip Technology 24AA04T-I/ST is a 4-Kbit (512 x 8) serial electrically erasable programmable read-only memory (EEPROM). It operates on a single supply voltage ranging from 1.7V to 5.5V and supports I²C compatible two-wire serial interfaces with maximum clock frequencies of 100 kHz at voltages below 2.5V, and 400 kHz at voltages between 2.5V and 5.5V. The device features a 16-byte page write buffer, hardware write protection via the WP pin, and an industrial temperature range of -40°C to +85°C.

Memory IC Feature Summary

• Supports bidirectional two-wire serial interface compatible with standard I²C bus protocols
• Includes hardware write-protect capability controlled by the dedicated WP pin
• Features Schmitt trigger inputs and noise suppression filters for reliable operation in noisy environments
• Provides high endurance with over one million erase/write cycles and data retention exceeding 200 years

Memory IC Applications

• Low-power portable electronic devices requiring non-volatile data storage
• Industrial control systems operating within specified temperature ranges
• Consumer electronics utilizing I²C communication buses
• Automotive applications requiring AEC-Q100 qualified components

Memory IC Procurement Notes

Verify that the specific ordering suffix matches the required package type and temperature grade. Confirm that the voltage supply requirements align with the operational specifications for the 24AA04 series. Ensure compatibility with the host system's I²C bus timing constraints. Check for any specific factory programming requirements if custom data initialization is needed prior to deployment.

Memory IC Selection Notes

Select this component when low-voltage operation down to 1.7V is required compared to other variants in the family. Consider the 24AA04T-I/ST for designs needing industrial temperature stability and robust noise immunity. Evaluate the page write buffer size against application throughput needs. Compare power consumption characteristics with alternative memory solutions for battery-operated systems.

Memory IC Part Context

This part belongs to the 24XX04 family of serial EEPROMs manufactured by Microchip Technology. It shares architectural similarities with the 24LC04B and 24FC04 devices but differs primarily in supply voltage ranges and maximum clock frequency capabilities. The 'T' suffix indicates tape and reel packaging, while 'I' denotes the industrial temperature rating.

Memory IC Replacement Considerations

Direct substitutes include the 24AA04HT-I/ST. Other compatible parts within the same datasheet family are the 24AA04H-I/ST and 24AA044-E/ST. Verify pinout compatibility and electrical specifications before substituting.