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MC14490DWR2  

Specialty Logic ICs

MC14490DWR2 Description

The MC14490DWR2 is a Contact Bounce Eliminator IC, part of the 4000 series from onsemi. This device is designed to eliminate contact bounce in mechanical switches, ensuring reliable and stable digital signals. The MC14490DWR2 operates within a supply voltage range of 3V to 18V, making it suitable for a wide range of applications. It features a 6-bit architecture, providing efficient signal processing capabilities. The device is available in a Surface Mount package, specifically in a 16-SOIC form factor, and is packaged in Tape & Reel (TR) for convenient handling and automated assembly processes. The MC14490DWR2 is classified under the ECCN code EAR99 and is REACH Unaffected, ensuring compliance with international regulations. The product has a Moisture Sensitivity Level (MSL) of 3, allowing for 168 hours of exposure before reflow soldering. Although the MC14490DWR2 is now obsolete, it remains a reliable choice for applications requiring contact bounce elimination.

MC14490DWR2 Features

The MC14490DWR2 offers several unique features that set it apart from similar models:

• Contact Bounce Elimination: The primary function of the MC14490DWR2 is to eliminate contact bounce in mechanical switches, ensuring clean and stable digital signals. This is crucial in applications where switch reliability is paramount.
• Wide Supply Voltage Range: The device operates within a supply voltage range of 3V to 18V, providing flexibility and compatibility with various power supply systems.
• 6-Bit Architecture: The 6-bit architecture allows for efficient processing of digital signals, making it suitable for applications requiring multiple input channels.
• Surface Mount Technology: The Surface Mount package type ensures ease of integration into modern PCB designs, facilitating automated assembly processes.
• Tape & Reel Packaging: The MC14490DWR2 is packaged in Tape & Reel (TR), which is ideal for high-volume production and automated pick-and-place assembly.
• Compliance and Safety: The device is classified under the ECCN code EAR99 and is REACH Unaffected, ensuring compliance with international regulations and safety standards.
• Moisture Sensitivity Level: With an MSL of 3 (168 hours), the MC14490DWR2 is suitable for manufacturing environments with varying humidity levels, ensuring robustness during the assembly process.

MC14490DWR2 Applications

The MC14490DWR2 is ideal for a variety of applications where reliable switch debouncing is required:

• Industrial Control Systems: In industrial environments, switches and buttons are often subjected to mechanical stress, leading to contact bounce. The MC14490DWR2 ensures stable and reliable signals, enhancing the overall system performance.
• Automotive Applications: In automotive systems, switches for lighting, climate control, and other functions need to operate reliably. The MC14490DWR2 helps eliminate contact bounce, ensuring smooth and error-free operation.
• Consumer Electronics: Devices such as remote controls, gaming consoles, and home appliances benefit from the reliable switch debouncing provided by the MC14490DWR2, enhancing user experience.
• Medical Equipment: In medical devices, reliable switch operation is critical. The MC14490DWR2 ensures that signals from switches are clean and stable, contributing to the overall reliability and safety of the equipment.

Conclusion of MC14490DWR2

The MC14490DWR2 is a robust and reliable Contact Bounce Eliminator IC from onsemi, offering a wide range of technical specifications and performance benefits. Its ability to eliminate contact bounce in mechanical switches ensures stable and reliable digital signals, making it an ideal choice for various industrial, automotive, consumer, and medical applications. Despite its obsolescence, the MC14490DWR2 remains a valuable component for applications requiring dependable switch debouncing.

MC14490DWR2 Documents

Download datasheets and manufacturer documentation for MC14490DWR2

Datasheets :

MC14490      

HTML Datasheet :

MC14490      

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