TMDS442PNPR

Specialized Overview

The TMDS442PNPR is a video switch IC manufactured by Texas Instruments, designed for DVI and HDMI signal routing. It features a 1x 4-to-2 configuration with a maximum on-resistance of 50 ohms. The device operates at a supply voltage of 3.3 V and dissipates up to 1.431 W of power. It supports surface mount installation in an HTQFP-128 package (14x14 mm). The component functions within a temperature range of 0°C to +70°C and includes I/O expansion capabilities.

Specialized Feature Summary

• Configurable as a 4-to-2 or 2-to-1 switchable interface for DVI/HDMI receiver signals
• Enables flexible switching between DVI and HDMI signal sources and display devices
• Integrates power management and I/O expansion functionality

Specialized Applications

• DVI/HDMI signal source switching
• Display device input selection
• Video switch IC implementations

Specialized Procurement Notes

Verify the complete part number including the suffix 'R' to confirm tape-and-reel packaging. Ensure compatibility with the HTQFP-128 footprint and 3.3V logic levels. Confirm moisture sensitivity handling requirements during assembly. Cross-reference the datasheet for pinout accuracy against the specific application board design.

Specialized Selection Notes

Select this component for applications requiring dedicated hardware switching between multiple DVI or HDMI inputs. The 4-to-2 topology suits systems needing two independent output channels from four sources. Consider the 50-ohm on-resistance impact on signal integrity. Verify that the 3.3V operating voltage aligns with the system's power architecture.

Specialized Part Context

This part belongs to the TMDS442 family of video switch integrated circuits. It is specifically engineered for high-speed digital video interfaces. The PNPR designation indicates the HTQFP-128 package variant with reel packaging. It serves as a specialized interface solution for consumer electronics and professional AV equipment.

Specialized Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.