Microchip Technology

24LC02B-E/ST

24LC02B-E/ST Description

The 24LC02B-E/ST from Microchip Technology is a 2Kbit (256 x 8) I2C-compatible serial EEPROM designed for low-power, high-reliability data storage applications. Operating within a 2.5V to 5.5V supply range, it supports a 400 kHz clock frequency and features a fast 900 ns access time, making it suitable for systems requiring efficient read/write operations. The device is housed in an 8-pin TSSOP package, optimized for surface-mount assembly, and complies with ROHS3 and REACH environmental standards. Its 5ms write cycle time (word/page) ensures robust performance in data-intensive applications.

24LC02B-E/ST Features

• Memory Size & Organization: 2Kbit (256 x 8) for flexible byte-level addressing.
• I2C Interface: Supports standard 400 kHz communication, enabling seamless integration with microcontrollers.
• Wide Voltage Range: Operates from 2.5V to 5.5V, ideal for battery-powered and mixed-voltage systems.
• Low Power Consumption: Optimized for energy-sensitive designs.
• Endurance & Retention: High reliability with 1 million write cycles and 200-year data retention.
• Industrial Robustness: MSL 1 (Unlimited) moisture sensitivity ensures longevity in harsh environments.
• Verified Programmable: DigiKey programmable for pre-configuration ease.

24LC02B-E/ST Applications

• Consumer Electronics: Configuration storage in smart devices, TVs, and wearables.
• Industrial Systems: Parameter logging in sensors, PLCs, and automation controllers.
• Automotive: Non-volatile memory for infotainment and telematics (within non-critical subsystems).
• IoT Devices: Firmware backup and small-data storage in connected nodes.
• Medical Equipment: Calibration data storage in portable diagnostic tools.

Conclusion of 24LC02B-E/ST

The 24LC02B-E/ST stands out for its balance of speed, power efficiency, and reliability, making it a preferred choice for embedded systems requiring compact, non-volatile memory. Its I2C compatibility, wide voltage range, and industrial-grade durability offer a competitive edge over similar EEPROMs, particularly in space-constrained or power-sensitive designs. Whether for prototyping or mass production, this EEPROM delivers consistent performance across diverse applications.