STMicroelectronics

M93C66-WMN6

M93C66-WMN6 Description

The M93C66-WMN6 is a 4Kbit EEPROM memory IC chip manufactured by STMicroelectronics. This chip is designed for applications requiring reliable and efficient data storage with a Microwire interface. The M93C66-WMN6 features a memory organization of 512 x 8 or 256 x 16, providing flexibility in data storage configurations. It operates within a voltage range of 2.5V to 5.5V, making it suitable for a variety of power supply environments. The chip has a clock frequency of 2 MHz, ensuring fast data access and transfer rates. With a write cycle time of 5ms for both word and page operations, the M93C66-WMN6 offers efficient data writing capabilities. The device is packaged in a surface mount 8SOIC format, making it ideal for compact and space-constrained designs. Although the product is now obsolete, it remains a reliable choice for legacy systems and applications where its specific features are required.

M93C66-WMN6 Features

• Memory Size and Organization: The M93C66-WMN6 provides 4Kbit of EEPROM memory, organized as 512 x 8 or 256 x 16. This flexible organization allows for efficient use of memory space depending on the application requirements.
• Microwire Interface: The Microwire interface ensures reliable communication with the host system, making it suitable for applications where a simple and efficient serial interface is preferred.
• Operating Voltage Range: The wide operating voltage range of 2.5V to 5.5V makes the M93C66-WMN6 compatible with various power supply configurations, enhancing its versatility.
• Fast Clock Frequency: With a clock frequency of 2 MHz, the M93C66-WMN6 ensures quick data access and transfer, which is crucial for time-sensitive applications.
• Efficient Write Cycle Time: The write cycle time of 5ms for both word and page operations ensures efficient data writing, reducing the time required for data storage operations.
• Surface Mount Packaging: The 8SOIC surface mount package is ideal for compact designs, saving space on the PCB while maintaining robust mechanical and electrical performance.
• Moisture Sensitivity Level (MSL): The MSL rating of 1 (Unlimited) indicates that the device is not sensitive to moisture, making it suitable for a wide range of environmental conditions.
• REACH Compliance: The M93C66-WMN6 is REACH unaffected, ensuring compliance with environmental and safety regulations.

M93C66-WMN6 Applications

The M93C66-WMN6 is well-suited for a variety of applications where reliable data storage and efficient data transfer are critical. Some specific use cases include:

• Embedded Systems: Ideal for embedded systems requiring non-volatile memory for storing configuration data, calibration parameters, and other critical information.
• Industrial Control: Suitable for industrial control applications where data integrity and quick access are essential for maintaining system performance and reliability.
• Telecommunications: Can be used in telecommunications equipment for storing firmware and configuration data, ensuring reliable operation in various environmental conditions.
• Consumer Electronics: Applicable in consumer electronics for storing user settings and other non-volatile data, enhancing the user experience and product reliability.
• Automotive: Suitable for automotive applications where data storage and retrieval need to be robust and reliable, such as in engine control units and infotainment systems.

Conclusion of M93C66-WMN6

The M93C66-WMN6 from STMicroelectronics is a reliable and efficient 4Kbit EEPROM memory IC chip designed for applications requiring a Microwire interface and flexible memory organization. Its wide operating voltage range, fast clock frequency, and efficient write cycle time make it suitable for a variety of applications, from embedded systems to industrial control and telecommunications. Despite its obsolete status, the M93C66-WMN6 remains a viable option for legacy systems and applications where its specific features are required. Its surface mount packaging, moisture sensitivity level, and REACH compliance further enhance its suitability for a wide range of environments and applications.