Microchip Technology

47L04-I/SN

47L04-I/SN Description

The 47L04-I/SN from Microchip Technology is a high-performance 4Kbit EERAM (Electrically Erasable RAM) memory IC, combining the benefits of EEPROM non-volatility with SRAM speed and endurance. Designed for surface-mount applications, it operates within a 2.7V to 3.6V supply range and features an I2C interface with a 1 MHz clock frequency, ensuring efficient data transfer. The device offers a 512 x 8 memory organization, 400 ns access time, and a 1ms write cycle time, making it ideal for applications requiring fast, reliable, and non-volatile data storage. Packaged in an 8-SOIC tube, it is RoHS3 compliant and rated for MSL 3 (168 hours) moisture sensitivity.

47L04-I/SN Features

• Hybrid Memory Technology: Combines EEPROM non-volatility with SRAM-like performance, eliminating the need for external batteries or supercapacitors.
• High-Speed I2C Interface: Supports 1 MHz clock frequency for rapid data transactions.
• Low Power Operation: Optimized for 2.7V–3.6V systems, suitable for battery-powered devices.
• Fast Access & Write Times: 400 ns access time and 1ms write cycle enhance real-time performance.
• Robust Packaging: 8-SOIC tube ensures durability and ease of integration in surface-mount designs.
• Compliance: RoHS3 compliant and REACH unaffected, meeting stringent environmental standards.

47L04-I/SN Applications

The 47L04-I/SN excels in applications demanding non-volatile, high-speed memory with low power consumption:

• Industrial Automation: Stores critical configuration data in PLCs, sensors, and control systems.
• Consumer Electronics: Ideal for smart devices, wearables, and IoT edge nodes requiring frequent data logging.
• Automotive Systems: Ensures data retention in infotainment, telematics, and ECU configurations.
• Medical Devices: Reliable memory for patient monitoring equipment and portable diagnostics.
• Embedded Systems: Suitable for firmware storage, parameter retention, and real-time data buffering.

Conclusion of 47L04-I/SN

The 47L04-I/SN stands out as a versatile, high-performance EERAM solution, bridging the gap between volatile and non-volatile memory. Its fast I2C interface, low-voltage operation, and hybrid technology make it superior to standalone EEPROMs or SRAMs, particularly in power-sensitive and real-time systems. With Microchip’s reliability and compliance with industry standards, this IC is a robust choice for industrial, automotive, and IoT applications where data integrity and speed are critical.