ON Semiconductor MC14490DWG Product Overview

The MC14490DWG from ON Semiconductor is a versatile hex contact bounce eliminator integrated circuit designed to interface digital systems with mechanical contacts. This high-quality component is engineered to filter out the unwanted noise and debounces signals from a variety of input devices, such as switches and relays, ensuring clean and stable digital outputs.

Encased in a compact SOIC-16 package, the MC14490DWG operates over a wide voltage range of 3 V to 18 V, making it suitable for various applications in automotive, industrial, and consumer electronics. It is specifically designed to eliminate the need for external RC filters, capacitors, or Schmitt triggers which are traditionally used to debounce mechanical contacts.

Key Features of the MC14490DWG

• Voltage Flexibility: Can operate within a 3 V to 18 V range, accommodating different logic levels and power supplies.
• Hex Configuration: Contains six independent switch debouncer circuits, providing a cost-effective and space-efficient solution.
• Eliminates Noise: Effectively filters out contact bounce noise from mechanical switches and relays.
• Direct Interface: Can be directly connected to the digital system without the need for additional components, simplifying design and reducing board space.
• Low Power Consumption: Designed for minimal power draw, making it ideal for battery-operated and power-sensitive applications.

Applications

The MC14490DWG is perfect for a broad range of applications where mechanical contacts need to be interfaced with digital systems. These include:

• Automotive systems
• Industrial controls
• Alarm systems
• Keyboards
• Voting machines

With its robust design and ON Semiconductor's commitment to quality, the MC14490DWG is a reliable choice for designers looking to enhance the performance and stability of their digital systems. Whether you're dealing with noisy signals from switches or need a dependable solution for debouncing inputs, the MC14490DWG offers a compact and efficient solution.