Microchip 47L16T-E/ST: A 16-Kbit Serial I²C Bus EEPROM Optimized for Low-Voltage Applications

In the expanding universe of embedded systems and IoT devices, the demand for reliable, low-power, and compact non-volatile memory solutions is higher than ever. Addressing this need, the Microchip 47L16T-E/ST stands out as a 16-Kbit Serial EEPROM memory IC, engineered specifically for low-voltage operation and communication via the ubiquitous I²C bus.

This device is a member of Microchip's extensive family of serial EEPROMs, renowned for their quality and endurance. The 47L16T-E/ST organizes its 16 Kbits of memory as a 2048 x 8-bit array, providing ample space for storing critical data such as configuration parameters, calibration constants, and user settings, even in space-constrained designs.

A defining characteristic of this EEPROM is its ultra-low voltage capability. It supports a continuous voltage range from 1.7V to 3.6V, making it an ideal choice for battery-powered applications where efficient power management is paramount. This feature ensures reliable operation down to the very end of a battery's discharge curve, which is critical for portable consumer electronics, medical devices, and wireless sensors.

Communication is handled through a two-wire I²C (Inter-Integrated Circuit) serial interface. This industry-standard protocol minimizes the number of GPIO pins required on a host microcontroller, simplifying board layout and reducing system cost. The device supports a clock frequency of up to 400 kHz, facilitating efficient and speedy data transfer. It also includes hardware write-protection via a dedicated pin, safeguarding stored data from accidental or malicious overwrites.

The 47L16T-E/ST is built for robustness and longevity. It features a endurance of 1 million write cycles and a data retention period of 200 years, ensuring data integrity over the entire lifespan of the end product. Furthermore, its highly reliable CMOS technology and extended temperature range make it suitable for a wide array of industrial and automotive environments.

Housed in a space-saving TSSOP-8 package, this EEPROM is designed for modern, high-density PCB designs. Its combination of low-voltage operation, proven reliability, and simple interfacing makes it a versatile solution for designers across countless industries.

ICGOODFIND: The Microchip 47L16T-E/ST is a highly integrated and robust 16-Kbit serial EEPROM that excels in low-voltage applications. Its I²C interface ensures easy integration, while its exceptional endurance and data retention provide long-term reliability. For designers seeking a dependable memory solution for power-sensitive portable and industrial devices, this IC represents an excellent choice.

Keywords: Low-Voltage EEPROM, I²C Bus, Serial Memory, Non-Volatile Memory, Microchip 47L16T-E/ST.