onsemi

MC1489M

MC1489M Description

The MC1489M is a specialized receiver IC designed for RS232 communication protocols, manufactured by onsemi. This device is part of the Interface IC Chips category and is housed in a Surface Mount package, specifically in a Tube format. It features 0 drivers and 4 receivers, making it ideal for applications requiring multiple receiving channels. The MC1489M operates within a voltage supply range of 4.5V to 5.5V and is designed to function efficiently within an operating temperature range of 0°C to 75°C. The receiver hysteresis of 250 mV ensures robust signal integrity and noise immunity. This product is classified under ECCN EAR99 and HTSUS 8542.39.0001, and it is REACH Unaffected, adhering to stringent environmental and safety standards. The MC1489M has a Moisture Sensitivity Level (MSL) of 3 (168 Hours), which is crucial for ensuring reliability in various environmental conditions. Despite its Obsolete status, the MC1489M remains a reliable choice for specific legacy systems and applications.

MC1489M Features

The MC1489M offers several unique features that set it apart from similar models in the market. Its 0/4 driver/receiver configuration allows for efficient data reception with minimal interference. The operating temperature range of 0°C to 75°C ensures that the IC can function reliably in a variety of environmental conditions, making it suitable for both indoor and outdoor applications. The receiver hysteresis of 250 mV provides enhanced signal integrity, reducing the likelihood of erroneous data transmission due to noise. The voltage supply range of 4.5V to 5.5V ensures compatibility with a wide range of power sources, further enhancing its versatility. Additionally, the Surface Mount package type and Tube packaging format make it easy to integrate into modern PCB designs, ensuring compatibility with contemporary manufacturing processes.

MC1489M Applications

The MC1489M is ideal for applications requiring robust RS232 communication capabilities. Its multiple receiver channels make it particularly suitable for systems that need to handle data from multiple sources simultaneously. Some specific use cases include:

• Data Acquisition Systems: The MC1489M can efficiently receive and process data from multiple sensors or devices, making it ideal for industrial and scientific data acquisition systems.
• Telecommunications: In telecommunication applications, the MC1489M can handle multiple incoming signals, facilitating efficient communication between different nodes in a network.
• Industrial Automation: The robustness and reliability of the MC1489M make it a good fit for industrial automation systems where data integrity and noise immunity are critical.
• Legacy Systems: Despite its Obsolete status, the MC1489M remains a viable option for maintaining and upgrading legacy systems that rely on RS232 communication protocols.

Conclusion of MC1489M

In summary, the MC1489M is a versatile and reliable receiver IC designed for RS232 communication protocols. Its unique features, such as the 0/4 driver/receiver configuration, receiver hysteresis of 250 mV, and wide operating temperature range, make it an excellent choice for a variety of applications. The Surface Mount package type and Tube packaging format ensure ease of integration into modern PCB designs. Although the MC1489M is now considered Obsolete, it remains a reliable solution for specific legacy systems and applications where its robust performance and compatibility are essential.