TXU0101QDCKRQ1

Overview

The TXU0101QDCKRQ1 is an automotive-grade, single-bit fixed-direction voltage-level translator featuring Schmitt-trigger inputs and 3-state outputs. It supports a dual-rail design with supply voltages ranging from 1.08 V to 5.5 V on both ports. The device provides up to 200 Mbps data rates at 3.3 V to 5.0 V and includes integrated static pull-down resistors to prevent floating channels. It operates within a temperature range of -40°C to +125°C and offers high drive strength up to 12 mA at 5 V.

Feature Summary

• Schmitt-trigger inputs filter slow or noisy signals for reliable logic translation
• VCC isolation and Ioff-float features enable partial-power-down mode operation
• OE control logic allows output enable referencing either VCCA or VCCB supply rail

Applications

• Eliminating slow or noisy input signals in digital circuits
• Driving indicator LEDs or buzzers with level-shifted control
• Debouncing mechanical switches before microcontroller processing
• General purpose I/O level shifting between different voltage domains
• Push-pull level shifting for UART, SPI, and JTAG interfaces

Procurement Notes

Verify the Q1 suffix confirms AEC-Q100 automotive qualification. Confirm the DCK package designation matches the required SC-70-6 footprint. Ensure the specific ordering suffix aligns with the desired tape-and-reel quantity. Cross-reference the manufacturer part number against the official datasheet revision history to confirm current production status.

Selection Notes

Select this component when fixed unidirectional translation from port A to port B is required. Choose based on the need for Schmitt-trigger noise immunity over standard CMOS inputs. Consider the low power consumption specifications if battery-operated systems are involved. Verify that the OE pin configuration meets the system's control logic requirements.

Part Context

This device belongs to the Texas Instruments TXU0101-Q1 family of automotive voltage translators. It is designed specifically for applications requiring robust signal integrity across varying voltage domains. The product line emphasizes low power consumption and high noise immunity through its Schmitt-trigger architecture.

Replacement Considerations

The TXB family level shifters offer pinout compatibility as a potential alternative. Verify functional equivalence regarding directionality and voltage ranges before substitution.