The CAT24C21WI is a high-performance EEPROM (Electrically Erasable Programmable Read-Only Memory) device from ON Semiconductor, designed for a wide range of applications requiring reliable data storage and retrieval. This memory chip features a 2-Kb (256 x 8) memory size, making it suitable for storing configuration settings, calibration data, and small application parameters.
Key Features
- Memory Size: 2-Kilobits (256 x 8)
- Interface: I²C (2-wire serial interface), supporting standard and fast I²C protocol
- Supply Voltage: Operates from 2.5V to 5.5V, making it versatile for both low and standard voltage applications
- Write Cycle Time: 5 ms write cycle time for efficient data handling
- Endurance: 1 million write cycles, ensuring long-term reliability
- Data Retention: 100 years of data retention, providing a stable storage solution over an extended period
- Packaging: Available in an industry-standard 8-pin SOIC package, suitable for surface mount technology (SMT)
- Temperature Range: Industrial temperature range from -40°C to +85°C, allowing operation in harsh environments
Applications
The CAT24C21WI is ideal for a variety of applications that require low-power and reliable non-volatile memory. It is commonly used in:
- Portable electronic devices
- Industrial and medical equipment
- Automotive systems
- Consumer electronics
- Telecommunication infrastructure
Advantages
The CAT24C21WI offers several advantages that make it a preferred choice for designers and engineers. Its low-power consumption extends battery life in portable devices, while its small form factor enables it to fit into space-constrained designs. The robust endurance and data retention characteristics ensure data integrity over the product's lifespan. Additionally, the simple I²C interface facilitates easy integration into existing designs, reducing development time and complexity.
Overall, the ON Semiconductor CAT24C21WI provides a reliable and efficient solution for applications requiring non-volatile memory storage, combining performance with durability to meet the needs of today's advanced electronic systems.
