ON Semiconductor CAT1161LI42: High-Endurance I2C CMOS Serial EEPROM

The CAT1161LI42 is a high-quality, 16-Kb serial EEPROM memory chip from ON Semiconductor, designed for a wide range of applications that require data storage and retrieval with high endurance and reliability. This device operates via a simple I2C (Inter-Integrated Circuit) interface, making it an excellent choice for embedded systems where efficient communication and minimal pin usage are crucial.

Key Features

• Memory Size: 16 Kbits (2 Kbytes) of EEPROM.
• Write Endurance: 1,000,000 program/erase cycles, ensuring long-term reliability for applications that require frequent data updates.
• Data Retention: Guaranteed for 100 years, making it suitable for applications where data must be preserved over extended periods.
• Operating Voltage Range: 2.5V to 5.5V, allowing for flexible integration into various system power schemes.
• Two-Wire I2C Serial Interface: Supports standard and fast I2C modes.
• Self-Timed Write Cycle: Includes auto-erase before writing, simplifying the write operation.
• Hardware Write Protection: Write protect pin (WP) to lock the entire memory, providing security against inadvertent writes.
• Low Power Consumption: Ideal for battery-powered applications, with typical standby and active currents of 3 µA and 1 mA, respectively.
• Page Write Buffer: Allows up to 16 bytes to be written in a single write cycle, facilitating efficient data handling.
• Temperature Range: Industrial temperature range from -40°C to +85°C.
• Package: Available in 8-lead PDIP, 8-lead SOIC, and TSSOP packages.

Applications

The CAT1161LI42 is versatile and can be used in a variety of applications, including:

• Industrial control systems
• Medical devices
• Automotive electronics
• Smart cards
• Portable computing devices
• Telecommunication systems

With its robust design and comprehensive feature set, the CAT1161LI42 from ON Semiconductor is an excellent choice for designers looking for a reliable and high-performance non-volatile memory solution. Its compatibility with I2C bus communication standards ensures easy integration into existing designs, making it a flexible option for both new and legacy systems.