ST24LC21B6 EEPROM by STMicroelectronics

The ST24LC21B6 is a robust and reliable EEPROM (Electrically Erasable Programmable Read-Only Memory) chip produced by STMicroelectronics, a leader in the semiconductor industry. This memory component is designed for applications where data storage must endure through power cycles and where data integrity is paramount.

Key Features

• Memory Size: The ST24LC21B6 offers a storage capacity of 1 Kbit, which is organized as 128 x 8 bits. This size is suitable for storing configuration parameters, serial numbers, and calibration data in various electronic devices.
• Interface: It utilizes the I2C serial interface, which is widely accepted for its simplicity and efficiency in enabling communication between the EEPROM and microcontrollers or other I2C-compatible devices.
• Write Cycle Time: The device features a fast write cycle time of 5 ms, ensuring quick data updates and minimal wait times for write operations.
• Write Protect: A hardware write protect option is available, which prevents accidental data alteration and enhances the security of the stored data.
• Supply Voltage: The operating voltage range of 2.5V to 5.5V makes the ST24LC21B6 versatile for various applications, from low-power portable devices to more robust industrial systems.
• Temperature Range: With an industrial temperature range from -40°C to +85°C, this EEPROM can reliably operate in harsh environmental conditions.
• Endurance: It boasts a high endurance level with 1 million write cycles and a data retention period of 40 years, ensuring the longevity of data storage.

Applications

The ST24LC21B6 is suitable for a wide range of applications across different industries. It is commonly used in:

• Automotive systems
• Consumer electronics
• Medical devices
• Industrial control systems
• Telecommunications equipment

With its combination of reliability, ease of use, and durability, the ST24LC21B6 is an excellent choice for any application requiring a dependable non-volatile memory solution.