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Product Detailed Parameters
- Description：IC TRANSLATOR UNIDIR 12UQFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Translator Type：Voltage Level
- Channel Type：Unidirectional
- Number of Circuits：1
- Channels per Circuit：4
- Input Signal：-
- Output Signal：-
- Output Type：Tri-State
- Data Rate：200Mbps
- Operating Temperature：-40°C ~ 125°C (TA)
- Features：-
- Mounting Type：Surface Mount
- Package / Case：12-UFQFN
- Supplier Device Package：12-UQFN (1.7x2)
- Voltage - VCCA：1.08 V ~ 5.5 V
- Voltage - VCCB：1.08 V ~ 5.5 V
- Grade：-
- Qualification：-
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Overview
The TXU0204RUTR is a 4-bit fixed-direction voltage-level translator in a UQFN-12 package. It supports dual supply voltages (VCCA and VCCB) ranging from 1.08 V to 5.5 V. The device features Schmitt-trigger inputs for noise immunity and 3-state outputs. Maximum data rates reach 200 Mbps when translating between 3.3 V and 5.0 V. Operating temperature spans -40°C to +125°C, with maximum supply current of 6 µA at elevated temperatures.
Feature Summary
- Schmitt-trigger inputs filter slow or noisy signals
- Fixed direction translation with configurable OE control
- High drive strength up to 12 mA at 5 V
- VCC isolation prevents backflow during partial power-down
Applications
- Eliminating slow or noisy input signals
- Driving indicator LEDs or buzzers
- Debouncing mechanical switches
- Push-pull level shifting for UART, SPI, and JTAG
Procurement Notes
Verify the specific RUT suffix corresponds to the UQFN-12 package configuration. Confirm that the fixed-direction pinout matches the target circuit design, as it differs from bidirectional variants. Ensure supply rails are within the 1.08 V to 5.5 V range for both ports.
Selection Notes
Select this component when fixed-direction translation is required rather than auto-sensing. It is suitable for applications needing high drive strength or Schmitt-trigger noise rejection. Compare against TXB0104 if bidirectional capability is needed instead.
Part Context
Part of the Texas Instruments TXU0x04 family of 4-bit unidirectional voltage-level translators. It shares pinout compatibility with the TXB0104 series but offers distinct fixed-direction functionality and higher drive capabilities for specific interface requirements.
Replacement Considerations
TXB0104RUTR: Pin-compatible drop-in replacement if bidirectional operation is acceptable.
FAQ
Can the TXU0204RUTR operate with mixed voltage levels on its ports?
Yes, both VCCA and VCCB can independently range from 1.08 V to 5.5 V, allowing translation between any compatible logic levels.
What happens if one supply rail is disconnected?
The VCC isolation feature disables all outputs and places them in a high-impedance state to prevent current backflow.
