Microchip Technology's 24LC21-I/SN EEPROM

The 24LC21-I/SN is a high-quality, 1 Kbit Electrically Erasable PROM (EEPROM) from Microchip Technology, renowned for its reliable and durable integrated circuits. This EEPROM device provides an efficient solution for non-volatile memory storage, and it is designed for optimal performance in a wide range of applications, including but not limited to, consumer electronics, automotive industries, and industrial control systems.

This particular model comes in an 8-pin SOIC (Small Outline Integrated Circuit) package, which is well-suited for space-constrained applications. The device operates on a single supply voltage ranging from 2.5V to 5.5V, making it versatile for different circuit designs and ensuring compatibility with both low and standard voltage systems.

Key Features of the 24LC21-I/SN:

• Memory Size: The EEPROM provides 128 x 8 bits of memory, amounting to 1 Kbit of data storage capacity, suitable for configuration parameters, device identification, and small data logging tasks.
• Communication Interface: It utilizes a two-wire serial I²C (Inter-Integrated Circuit) bus interface, which minimizes pin count and simplifies PCB layout. This interface is widely supported and allows for easy integration into existing designs.
• Write Protect: The device features a hardware write-protect pin that can be used to prevent accidental data overwrites, thereby securing critical data stored in the memory.
• Low-Power Consumption: The 24LC21-I/SN is designed for low-power consumption, making it an excellent choice for battery-powered applications where energy efficiency is paramount.
• Temperature Range: It operates across an industrial temperature range of -40°C to +85°C, ensuring reliability and stability under various environmental conditions.
• Endurance and Data Retention: The EEPROM boasts a high endurance of one million write cycles and a data retention period of over 200 years, demonstrating its robustness and longevity.

Microchip Technology's commitment to quality is evident in the 24LC21-I/SN, which is designed to meet the rigorous demands of modern electronic systems. Whether you are developing a new product or upgrading an existing system, this EEPROM provides a flexible and reliable solution for your data storage needs.