onsemi

MC14490DWG

MC14490DWG Description

The MC14490DWG from onsemi is a hex contact bounce eliminator IC designed to mitigate switch debouncing issues in digital circuits. Part of the 4000 series, this surface-mount device operates across a wide supply voltage range (3V to 18V), making it versatile for both low-voltage and industrial applications. Packaged in a 16-SOIC tube, it features six independent channels, each capable of filtering mechanical switch noise to ensure clean, reliable signal transitions. The IC is RoHS3 compliant, REACH unaffected, and rated for MSL 3 (168 hours), ensuring environmental and reliability compliance.

MC14490DWG Features

• Logic Type: Contact Bounce Eliminator with 6-bit processing for multi-channel applications.
• Wide Voltage Range: Operates from 3V to 18V, supporting TTL and CMOS logic levels.
• Robust Design: Integrates Schmitt-trigger inputs for noise immunity and hysteresis.
• Surface-Mount Package: 16-SOIC for compact PCB layouts in space-constrained designs.
• Compliance: Meets RoHS3 and EAR99 standards, suitable for global markets.
• Moisture Sensitivity: MSL 3 rating ensures reliability in humid environments.

MC14490DWG Applications

• Industrial Controls: Eliminates switch bounce in PLCs, motor controls, and instrumentation.
• Consumer Electronics: Enhances reliability in keyboards, push-button interfaces, and remote controls.
• Automotive Systems: Debounces signals in dashboard controls and infotainment systems.
• Medical Devices: Ensures precise input detection in diagnostic equipment and patient interfaces.
• IoT & Embedded Systems: Ideal for edge devices requiring stable mechanical switch inputs.

Conclusion of MC14490DWG

The MC14490DWG stands out for its multi-channel debouncing capability, wide voltage tolerance, and industrial-grade robustness. Its surface-mount design and compliance with environmental standards make it a preferred choice for modern electronics. Whether in high-noise industrial environments or precision consumer devices, this IC delivers consistent performance, reducing system errors caused by mechanical switch artifacts. Engineers can leverage its versatility across automotive, medical, and IoT applications, ensuring reliable signal integrity in critical systems.