Microchip Technology

24AA128-I/ST

24AA128-I/ST Description

The 24AA128-I/ST from Microchip Technology is a 128Kbit (16K x 8) I2C-compatible serial EEPROM, designed for high-performance, low-power applications. Operating within a wide voltage range of 1.7V to 5.5V, it is ideal for battery-powered and energy-efficient systems. With a 400 kHz clock frequency and 900 ns access time, it ensures rapid data retrieval and efficient communication in embedded systems. The device supports byte and page write operations with a 5ms write cycle time, making it suitable for frequent data updates. Housed in an 8-pin TSSOP package, it is optimized for surface-mount applications where space is constrained.

24AA128-I/ST Features

• Memory Size & Organization: 128Kbit (16K x 8) for flexible data storage.
• I2C Interface: Supports standard 400 kHz communication, ensuring compatibility with most microcontrollers.
• Low Power Consumption: Operates at 1.7V–5.5V, ideal for portable and IoT devices.
• Fast Access & Write Times: 900 ns access time and 5ms write cycle enhance system responsiveness.
• High Reliability: Endurance of 1 million write cycles and 100-year data retention.
• Robust Packaging: 8-TSSOP for compact PCB designs.
• Compliance: ROHS3, REACH Unaffected, and MSL 1 (Unlimited) for environmental and handling safety.

24AA128-I/ST Applications

• Consumer Electronics: Stores configuration data in smart devices, wearables, and home automation systems.
• Industrial Systems: Retains calibration data, logs, and settings in sensors and control modules.
• Automotive: Used in infotainment, telematics, and ECU parameter storage.
• Medical Devices: Secures patient data and device configurations in portable medical equipment.
• IoT & Edge Computing: Enables local data storage in low-power sensor nodes and gateways.

Conclusion of 24AA128-I/ST

The 24AA128-I/ST stands out for its low-voltage operation, high-speed I2C interface, and compact form factor, making it a versatile choice for modern embedded systems. Its balance of performance, reliability, and power efficiency makes it superior to comparable EEPROMs in applications demanding frequent data updates and minimal power consumption. Whether in consumer, industrial, or automotive applications, this EEPROM delivers consistent performance and long-term data integrity.