Product Overview: 24LCS21AT-I/SN

The 24LCS21AT-I/SN is a highly reliable and versatile serial EEPROM (Electrically Erasable Programmable Read-Only Memory) device from Microchip Technology, designed to provide efficient non-volatile data storage solutions. This integrated circuit is ideal for a wide range of applications that require data retention even after power-off scenarios, such as in industrial controls, automotive systems, medical devices, and consumer electronics.

Key Features

• Memory Size: The device offers a storage capacity of 1 Kbit, which is organized as 128 x 8 bits, suitable for storing configuration data, device parameters, or small application data.
• Interface: It utilizes a simple I2C (Inter-Integrated Circuit) serial interface, enabling easy integration with most microcontrollers and processors. The I2C interface supports a bus speed of 400 kHz, allowing for quick data transfer.
• Operating Voltage: The 24LCS21AT-I/SN operates within a voltage range of 2.5V to 5.5V, making it compatible with both 3.3V and 5V systems.
• Temperature Range: This EEPROM can operate over an industrial temperature range of -40°C to +85°C, ensuring reliability and performance even in harsh environmental conditions.
• Packaging: It comes in a compact 8-pin SOIC (Small Outline Integrated Circuit) package, which is ideal for space-constrained applications.
• Write Cycle Time: The device features a fast write cycle time of 5 ms (typical), enabling efficient updates to stored data.
• Endurance: The EEPROM has a high endurance with a minimum of 1 million write cycles per byte, ensuring a long operational lifespan.
• Data Retention: Data retention is rated for a minimum of 200 years, providing a reliable long-term storage solution.

Applications

The 24LCS21AT-I/SN is highly suitable for various applications where small amounts of data need to be stored and retrieved reliably. Its robustness and ease of integration make it an excellent choice for:

• Configuration settings storage
• Calibration data retention
• Device identification and serialization
• Real-time clock settings backup
• Small parameter logs

With its combination of features, the 24LCS21AT-I/SN from Microchip Technology stands out as a solid choice for designers looking for a dependable and straightforward memory solution.