Exploring the Microchip 93LC66C-I/ST: A Robust 4K-Bit Serial EEPROM Solution

In the realm of non-volatile memory, serial EEPROMs play a pivotal role in storing critical configuration and calibration data across a vast array of electronic applications. The Microchip 93LC66C-I/ST stands out as a premier choice for designers seeking reliability, simplicity, and performance in a compact package. This 4K-bit (organized as 512 x 8 or 256 x 16) electrically erasable PROM is engineered to meet the stringent demands of industrial, automotive, and consumer electronics.

Housed in a space-saving TSSOP-8 package, the 93LC66C-I/ST excels in low-power operation, making it ideal for battery-powered devices. It features a sequential read operation for faster data access and boasts an impressive endurance of 1 million erase/write cycles with data retention exceeding 200 years. These specifications ensure long-term data integrity and reliability in even the most challenging environments.

The device utilizes a simple and efficient 3-wire serial interface (CS, SK, DI/DO), facilitating easy connection to a wide range of microcontrollers and reducing the number of I/O pins required. Its built-in write-protect mechanism safeguards stored data against accidental corruption by requiring a specific software sequence to initiate a write cycle. Furthermore, it supports a wide voltage range (2.5V to 5.5V) and is characterized for operation from -40°C to +85°C, underscoring its suitability for industrial-grade applications.

From storing device parameters in smart sensors and meters to maintaining user settings in automotive modules and appliances, the 93LC66C provides a versatile and dependable memory solution. Its combination of durability, ease of integration, and Micorchip's proven quality makes it a go-to component for engineers worldwide.

ICGOODFIND: The Microchip 93LC66C-I/ST is a highly reliable, low-power, and easy-to-integrate serial EEPROM, offering exceptional endurance and data retention for critical data storage needs across diverse industrial and consumer applications.

Keywords: Serial EEPROM, Non-volatile Memory, Low-power, High Endurance, Industrial Temperature Range