onsemi

CAT93C66LI-G

CAT93C66LI-G Description

The CAT93C66LI-G is a 4Kbit EEPROM memory IC chip designed for a wide range of applications requiring reliable and efficient data storage. Manufactured by onsemi, this chip is part of the obsolete but still highly regarded CAT93C66 family. It features a Microwire memory interface, which is known for its simplicity and low pin count, making it ideal for systems with limited I/O resources. The memory organization of the CAT93C66LI-G is 512 x 8 or 256 x 16, providing flexible storage options depending on the system requirements.

This EEPROM chip operates within a wide voltage range of 1.8V to 5.5V, ensuring compatibility with various power supply configurations. The clock frequency is rated at 2 MHz, allowing for fast data access and efficient operation. The CAT93C66LI-G is packaged in a through-hole 8DIP tube, which is suitable for applications where physical robustness and ease of installation are critical.

CAT93C66LI-G Features

• Memory Size and Organization: The CAT93C66LI-G offers a 4Kbit EEPROM memory size with a flexible organization of 512 x 8 or 256 x 16, providing ample storage for small to medium-sized data sets.
• Microwire Interface: This interface is designed for low pin count and simplified connections, reducing the complexity and cost of the overall system.
• Wide Operating Voltage Range: The chip operates within a voltage range of 1.8V to 5.5V, making it suitable for a variety of power supply configurations and ensuring compatibility with different system designs.
• High-Speed Operation: With a clock frequency of 2 MHz, the CAT93C66LI-G ensures fast data access and efficient performance, which is crucial for time-sensitive applications.
• Through-Hole Mounting: The through-hole mounting type provides robust physical stability and ease of installation, making it ideal for industrial and embedded systems.
• Obsolete but Reliable: Although the CAT93C66LI-G is now obsolete, it remains a reliable choice for legacy systems and applications where proven technology is preferred.

CAT93C66LI-G Applications

The CAT93C66LI-G is well-suited for a variety of applications that require non-volatile memory storage with a simple and efficient interface. Some specific use cases include:

• Embedded Systems: Ideal for small embedded systems where low pin count and reliable storage are essential. The Microwire interface simplifies integration into compact designs.
• Industrial Controls: The robust through-hole mounting and wide operating voltage range make it suitable for industrial control systems that require durable and reliable components.
• Consumer Electronics: Suitable for consumer electronics where non-volatile memory is needed for storing configuration data or small amounts of user data.
• Automotive Applications: The CAT93C66LI-G can be used in automotive systems for storing critical parameters and settings that need to be retained across power cycles.
• Telecommunications: In telecommunication equipment, the chip can store configuration data and calibration parameters, ensuring consistent performance.

Conclusion of CAT93C66LI-G

The CAT93C66LI-G is a reliable and efficient 4Kbit EEPROM memory IC chip that offers a range of technical specifications and performance benefits. Its Microwire interface, wide operating voltage range, and high-speed operation make it a versatile choice for various applications. Despite its obsolete status, the CAT93C66LI-G remains a trusted component for systems that require proven technology and robust performance. Whether used in embedded systems, industrial controls, or consumer electronics, the CAT93C66LI-G provides a simple and effective solution for non-volatile memory storage.