Microchip Technology

93C66B-I/ST

93C66B-I/ST Description

The 93C66B-I/ST is a high-performance, 4Kbit EEPROM memory IC designed for a variety of applications requiring reliable and efficient data storage. Manufactured by Microchip Technology, this device features a Microwire memory interface, providing a compact and versatile solution for embedded systems. The 93C66B-I/ST is housed in an 8TSSOP package, making it suitable for surface-mount applications and ensuring compatibility with modern PCB designs. With a memory organization of 256 x 16 bits, this EEPROM offers ample storage capacity for configuration data, calibration parameters, and other critical information.

93C66B-I/ST Features

• Memory Size and Organization: The 93C66B-I/ST provides a total memory size of 4Kbit, organized into 256 words of 16 bits each. This configuration ensures efficient use of memory space and supports a wide range of data storage requirements.
• Microwire Interface: The Microwire interface simplifies communication with the EEPROM, requiring only a few control lines and reducing overall system complexity. This interface is ideal for applications where minimal I/O lines are available.
• Clock Frequency: Operating at a clock frequency of 2 MHz, the 93C66B-I/ST ensures fast data access and transfer rates, enhancing the performance of systems that rely on frequent read/write operations.
• Write Cycle Time: With a write cycle time of 2ms per word or page, the 93C66B-I/ST offers rapid data storage capabilities minimizing, delays and improving overall system responsiveness.
• Supply Voltage: The device operates within a supply voltage range of 4.5V to 5.5V, ensuring compatibility with standard 5V power supplies and providing robust performance across a range of operating conditions.
• Compliance and Standards: The 93C66B-I/ST is REACH unaffected and ROHS3 compliant, meeting stringent environmental and safety standards. This compliance ensures that the device is suitable for use in a wide range of industries and applications.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the 93C66B-I/ST is highly resistant to moisture, making it ideal for use in environments with varying humidity levels.

93C66B-I/ST Applications

The 93C66B-I/ST is well-suited for a variety of applications where reliable and efficient data storage is critical. Some specific use cases include:

• Embedded Systems: Ideal for storing configuration data and calibration parameters in embedded systems, ensuring that devices maintain their settings across power cycles.
• Industrial Automation: Provides robust data storage for industrial control systems, where reliability and durability are paramount.
• Telecommunications: Used in telecommunication equipment for storing critical data, such as device settings and network configurations.
• Consumer Electronics: Suitable for consumer electronics devices that require non-volatile memory for storing user settings and preferences.
• Automotive: Can be used in automotive applications for storing critical data related to vehicle settings and diagnostics.

Conclusion of 93C66B-I/ST

The 93C66B-I/ST is a versatile and reliable EEPROM memory IC that offers a range of features and benefits suitable for various applications. Its Microwire interface, fast clock frequency, and rapid write cycle time make it an efficient solution for data storage needs. The device's compliance with environmental and safety standards, along with its high moisture sensitivity level, ensures its suitability for a wide range of operating conditions. Whether used in embedded systems, industrial automation, or consumer electronics, the 93C66B-I/ST provides a dependable and efficient data storage solution.