onsemi

MM74C89N

MM74C89N Description

The MM74C89N is a 64-bit volatile RAM memory IC chip designed for parallel interface applications. Manufactured by onsemi, this memory chip features a 16 x 4 memory organization, providing a total of 64 bits of storage. It is housed in a through-hole package, specifically a tube, making it suitable for traditional PCB assembly methods. The MM74C89N operates within a wide supply voltage range of 3V to 15V, ensuring compatibility with various power supply systems. With an access time of 280 ns, it offers relatively fast data retrieval, making it suitable for applications requiring quick memory access.

MM74C89N Features

• Memory Type: Volatile RAM, ensuring data is retained only while power is supplied, which is ideal for temporary storage needs.
• Memory Size: 64-bit capacity, organized as 16 x 4, providing a compact memory solution for small-scale applications.
• Access Time: 280 ns, which allows for relatively swift data access, crucial for time-sensitive operations.
• Memory Interface: Parallel, enabling efficient data transfer and communication with other parallel interface systems.
• Supply Voltage: Wide range of 3V to 15V, offering flexibility and compatibility with different power supply configurations.
• Mounting Type: Through-hole, suitable for robust and reliable mechanical attachment to printed circuit boards.
• Package: Tube, ensuring safe and organized storage and handling during manufacturing and assembly processes.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), indicating the device is not sensitive to moisture, reducing the risk of damage during storage and assembly.
• REACH Status: REACH Unaffected, ensuring compliance with environmental and safety regulations.
• ECCN: 3A001A2C, which classifies the product under specific export control regulations.

MM74C89N Applications

The MM74C89N is ideally suited for applications requiring a small, efficient, and reliable solution memory. Its 64-bit capacity and parallel interface make it suitable for:

• Embedded Systems: Providing temporary storage for microcontroller-based systems.
• Data Buffering: Efficiently managing data in communication systems and data acquisition devices.
• Control Systems: Storing temporary data in industrial control systems and automation equipment.
• Consumer Electronics: Used in devices requiring quick access to small amounts of data, such as calculators and simple digital devices.

Conclusion of MM74C89N

The MM74C89N, manufactured by onsemi, is a versatile and reliable 64-bit volatile RAM memory IC. chip Its wide supply voltage range, relatively fast access time, and parallel interface make it suitable for a variety of applications, particularly in embedded systems and data buffering. Despite being an obsolete product, its robust design and compatibility with through-hole mounting ensure it remains a viable option for specific use cases. The MM74C89N's compliance with environmental regulations and its low moisture sensitivity level further enhance its reliability and usability in various industrial and consumer electronic applications.