TXU0204DTRR

Overview

The TXU0204DTRR is a 4-bit fixed-direction voltage-level translator with Schmitt-trigger inputs and 3-state outputs, manufactured by Texas Instruments. It supports dual-rail operation from 1.1 V to 5.5 V on both ports. The device achieves data rates up to 200 Mbps at 3.3 V to 5.0 V. It features low power consumption of 2.5 µA maximum at 25°C and includes Ioff-float for partial-power-down modes. Packaged in an X2SON-12 (DTR) format, it operates between -40°C and +125°C.

Feature Summary

• Schmitt-trigger inputs filter slow or noisy signals
• High drive strength up to 12 mA at 5 V
• VCC isolation and disconnect feature prevents leakage during partial power-down
• OE control logic referenced to either supply rail

Applications

• Eliminating slow or noisy input signals
• Driving indicator LEDs or buzzers
• Debouncing mechanical switches
• General purpose I/O level shifting
• Push-pull level shifting for UART, SPI, and JTAG interfaces

Procurement Notes

Verify the DTR suffix corresponds to the X2SON-12 package when sourcing. Confirm RoHS compliance and manufacturing date codes against current TI documentation. Ensure ESD handling protocols are followed due to sensitivity ratings. Cross-reference pinout compatibility if replacing legacy components like TXB series devices.

Selection Notes

Select this component for applications requiring fixed-direction translation with high drive capability. The integrated Schmitt triggers make it suitable for noisy environments. Verify that the OE pin configuration aligns with system control logic referencing either VCCA or VCCB. Consider thermal resistance metrics for PCB layout optimization in high-density designs.

Part Context

Part of the TXU0x04 family of 4-bit unidirectional voltage-level translators. Designed as a drop-in replacement for TXB0104 with enhanced drive strength. Compatible with evaluation modules like TXU-EVM for GPIO, UART, and SPI interface testing. Offers pinout compatibility across various package types including TSSOP, VQFN, UQFN, and X2SON.

Replacement Considerations

TXB0104 is a pin-compatible alternative but lacks the high drive strength of the TXU0204.