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NM93C66M8

NM93C66M8 Description

The NM93C66M8 is an 8-pin EEPROM memory IC designed by onsemi, offering a 4Kbit memory size with a 256 x 16 memory organization. This device is engineered to operate within a supply voltage range of 4.5V to 5.5V and supports a clock frequency of 1 MHz. It features a Microwire memory interface, making it suitable for applications requiring serial communication protocols. The NM93C66M8 is housed in an 8SOIC package, which is ideal for surface mount applications. It operates within a temperature range of 0°C to 70°C (TA) and has a write cycle time of 10ms for both word and page operations. This product is classified under the HTSUS code 8542.32.0051 and has a moisture sensitivity level (MSL) of 1 (Unlimited), indicating it is not affected by moisture. The NM93C66M8 is REACH unaffected and has an ECCN classification of EAR99. Although this product is now obsolete, it remains a reliable choice for specific legacy applications.

NM93C66M8 Features

• Memory Size and Organization: The NM93C66M8 provides a 4Kbit memory size with a 256 x 16 memory organization, offering ample storage for small-scale data logging and configuration storage.
• Microwire Interface: The device utilizes a Microwire memory interface, which is a simple and efficient serial communication protocol suitable for applications where minimal pin usage is required.
• Operating Voltage and Temperature: The NM93C66M8 operates within a supply voltage range of 4.5V to 5.5V and an operating temperature range of 0°C to 70°C (TA), making it suitable for a variety of industrial and consumer applications.
• Write Cycle Time: With a write cycle time of 10ms for both word and page operations, the NM93C66M8 ensures reliable and efficient data writing capabilities.
• Surface Mount Package: The 8SOIC package is ideal for surface mount applications, providing a compact and reliable solution for modern PCB designs.
• Moisture Sensitivity Level: The NM93C66M8 has an MSL of 1 (Unlimited), indicating it is not affected by moisture, which is beneficial for applications in humid environments.
• Compliance and Classification: The NM93C66M8 is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations and standards.

NM93C66M8 Applications

The NM93C66M8 is well-suited for a variety of applications, including:

• Data Logging: Its 4Kbit memory size and reliable write cycle time make it ideal for small-scale data logging applications where data integrity is crucial.
• Configuration Storage: The device can be used to store configuration settings for embedded systems, ensuring that critical parameters are retained across power cycles.
• Industrial Control Systems: The NM93C66M8's operating temperature range and Microwire interface make it suitable for industrial control systems where minimal pin usage and reliable communication are required.
• Consumer Electronics: The compact 8SOIC package and surface mount compatibility make it a viable option for consumer electronics applications where space is a constraint.
• Legacy Systems: Despite its obsolete status, the NM93C66M8 remains a reliable choice for maintaining and upgrading legacy systems that require EEPROM memory.

Conclusion of NM93C66M8

The NM93C66M8 is a robust EEPROM memory IC designed for a wide range of applications. Its 4Kbit memory size, Microwire interface, and reliable write cycle time make it an ideal choice for data logging, configuration storage, and industrial control systems. The device's compact 8SOIC package and surface mount compatibility ensure it fits seamlessly into modern PCB designs. Although now obsolete, the NM93C66M8 remains a reliable and compliant solution for specific legacy applications, ensuring continued support for existing systems.