TXV0108QWRGYRQ1

Overview

The TXV0108QWRGYRQ1 is an automotive-grade, 8-bit direction-controlled voltage translator and buffer. It operates with dual configurable power supplies ranging from 1.14V to 3.6V on both ports. The device supports data rates up to 500Mbps at 1.65V to 3.6V and meets RGMII 2.0 timing specifications, including rise/fall times under 750ps, duty cycle distortion under ±5%, and channel-to-channel skew under ±400ps. It features integrated 10Ω damping resistors, high drive strength up to 12mA at 3.6V, and low peak-to-peak jitter of 390ps (1.8V to 3.3V). Packaged in a 24-pin VQFN (RGY) with wettable flanks, it operates from -40°C to +125°C.

Feature Summary

• Direction-controlled bidirectional translation between two independently configurable voltage rails
• Low-skew and low-jitter performance optimized for strict timing requirements like RGMII
• Integrated VCC isolation and disconnect functionality to prevent current backflow during power-down or floating supply states
• Partial-power-down support via Ioff circuitry to inhibit damaging currents when powered off

Applications

• Medium or short range radar systems
• ADAS domain controllers
• HVAC controller designs
• Machine vision cameras
• Rack server motherboards

Procurement Notes

Verify the specific suffix QWRGYR against the manufacturer's official orderable parts list to confirm package type, tape-and-reel quantity, and temperature grade. Ensure the procurement source provides valid AEC-Q100 qualification documentation. Confirm that the wettable flank package variant matches the required PCB footprint and automated optical inspection capabilities.

Selection Notes

Select this component when interfacing skew-sensitive protocols such as RGMII between Ethernet MACs and PHYs requiring precise timing alignment. Choose this part over standard translators if asymmetric power-up sequences are expected, utilizing its VCC isolation feature. Verify that the target application requires the specific 1.14V to 3.6V operating range and the integrated damping resistor capability for signal integrity.

Part Context

This device belongs to the Texas Instruments TXV0108-Q1 family of automotive voltage translators. It is specifically engineered for applications demanding low jitter and controlled skew, distinguishing it from general-purpose level shifters. The Q1 suffix denotes compliance with AEC-Q100 standards for automotive reliability, while the RGY suffix identifies the 24-pin VQFN package with wettable flanks.

Replacement Considerations

The datasheet indicates pin compatibility with the SN74AVC8T245 in the VQFN package. Designers should verify functional equivalence regarding direction control and drive strength before substitution.