Microchip Technology's 24LC21AT/SN EEPROM

The 24LC21AT/SN is a cutting-edge EEPROM (Electrically Erasable Programmable Read-Only Memory) device produced by Microchip Technology, a leader in the field of smart, connected, and secure embedded control solutions. This particular model is part of the serial EEPROM series, which is renowned for its reliability, data retention, and endurance across a wide range of applications and industries.

Featuring a 1 Kbit (128 x 8) memory size, the 24LC21AT/SN provides ample storage for small data sets such as device configuration, calibration data, or small application parameters. It utilizes the standard I2C serial interface for communication, allowing for seamless integration with most microcontrollers and processors. The device supports a voltage range of 2.5V to 5.5V, making it versatile for various low-power and standard applications.

One of the key features of the 24LC21AT/SN is its self-timed erase and write cycles, which simplifies the process of data manipulation and ensures data integrity. In addition, it boasts a write cycle time of only 5 ms, enabling quick updates to stored data with minimal system delay. The EEPROM also supports a write protect pin to prevent inadvertent writes, which adds an extra layer of security for critical data storage.

The 24LC21AT/SN comes in an 8-pin SOIC (SN) package, which is widely used and easy to solder onto a PCB, making it a convenient choice for both prototyping and mass production. Its industrial temperature range of -40°C to +85°C ensures reliable operation even in harsh environments.

Microchip Technology's commitment to quality is evident in the 24LC21AT/SN, with a design that ensures over one million write cycles and a data retention period of over 200 years. This device is ideal for applications in the automotive sector, consumer electronics, medical devices, and industrial controls, where dependable and persistent data storage is crucial.

In summary, the 24LC21AT/SN from Microchip Technology is a robust and reliable EEPROM solution that offers a blend of performance, durability, and ease of use for designers and engineers looking to incorporate stable memory storage into their electronic designs.