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Product Detailed Parameters
- Description：IC TRANSLATOR UNIDIR 14WQFN
- 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：14-WFQFN Exposed Pad
- Supplier Device Package：14-WQFN (3x2.5)
- Voltage - VCCA：1.08 V ~ 5.5 V
- Voltage - VCCB：1.08 V ~ 5.5 V
- Grade：-
- Qualification：-
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Overview
The TXU0304BQAR is a 4-bit, dual-supply noninverting fixed-direction voltage level translator manufactured by Texas Instruments. It operates within a supply voltage range of 0.8V to 3.6V on both sides and supports data rates up to 200Mbps. The device features an output enable (OE) pin for control and is housed in a 14-WQFN package with an exposed pad. It functions as a CMOS-to-CMOS interface solution, ensuring reliable signal translation between different logic levels in embedded systems.
Feature Summary
- Provides unidirectional voltage level translation between dual power supplies
- Supports high-speed data transmission up to 200Mbps
- Includes an active-low output enable pin for bus control
Applications
- Interfacing microcontrollers with peripheral devices operating at different voltage levels
- Signal translation in I2C, SPI, and UART communication buses
- Level shifting in automotive infotainment and instrument clusters
Procurement Notes
Verify the specific suffix 'BQAR' to confirm the automotive-grade qualification and tape-and-reel packaging format. Ensure the design accounts for the 14-pin WQFN thermal pad requirements for proper heat dissipation. Cross-reference the datasheet for absolute maximum ratings to prevent overvoltage damage during system integration.
Selection Notes
Select this component when unidirectional translation is required for bidirectional protocols like I2C, utilizing external pull-up resistors. Compare against the TXBN series if automatic direction sensing is needed without manual OE control. Consider the 200Mbps speed capability for high-frequency digital interfaces where propagation delay impacts timing margins.
Part Context
This part belongs to the TXU0304 family of fixed-direction translators. It differs from the TXS0104 by offering higher speed and fixed direction rather than auto-direction sensing. The 'BQ' prefix indicates automotive reliability standards, while 'AR' specifies the WQFN-14 reel packaging configuration for surface-mount assembly.
Replacement Considerations
The TXU0304RGTR is a pin-compatible alternative in a smaller VQFN-14 package. For applications requiring automatic direction sensing instead of fixed direction, the TXBN0304RUTR serves as a functional substitute. Verify that the replacement maintains the required 200Mbps data rate and dual-supply voltage compatibility.
