ON Semiconductor CAT24WC256KI EEPROM

The CAT24WC256KI is a high-performance, 256-Kb Serial Electrically Erasable Programmable Read-Only Memory (EEPROM) component from ON Semiconductor. This device is designed to provide a robust storage solution for advanced microcontroller-based systems. With an I<sup>2C-compatible (2-wire) serial interface, the CAT24WC256KI facilitates easy integration into a wide range of applications, including consumer electronics, industrial, automotive, and telecommunications systems.

Key Features

• Memory Size: 256-Kb (32,768 x 8 bits), providing ample space for user data storage and device configuration settings.
• Interface: I<sup>2C Serial interface, compatible with standard and fast I<sup>2C protocols, ensuring high-speed communication with microcontrollers and processors.
• Write Cycle Time: Fast write cycle times of 5 ms max, enabling efficient data management and quick updates to stored information.
• Operating Voltage Range: Wide V<sub>CC range of 2.5V to 5.5V, making the device versatile for use in various systems with different power requirements.
• Endurance: High endurance of 1,000,000 program/erase cycles, guaranteeing a long operational lifespan for applications that require frequent data changes.
• Data Retention: Guaranteed data retention of 100 years, ensuring the persistence of critical data over extensive periods.
• Temperature Range: Industrial temperature range from -40°C to +85°C, suitable for challenging environmental conditions.
• Packaging: Available in an 8-lead SOP package, providing a compact and reliable form factor for space-constrained applications.

Applications

The CAT24WC256KI EEPROM is ideal for a variety of applications where reliable and non-volatile data storage is a necessity. Its robust feature set makes it an excellent choice for parameter storage, device configuration, and data logging in systems such as consumer electronics, industrial control units, medical devices, smart sensors, and automotive modules.

Part Number Explanation

The part number 'CAT24WC256KI' is composed of the following elements: 'CAT' represents the ON Semiconductor brand, '24' signifies the EEPROM series, 'WC' indicates a serial EEPROM with a I<sup>2C interface, '256' denotes the memory size (256-Kb), and 'KI' specifies the package type and temperature range.