TXU0104BQAR Texas Instruments Integrated Circuit (Other) In Stock
Texas Instruments TXU0104BQAR is a 4-channel unidirectional voltage-level translator with Schmitt-trigger inputs and a maximum propagation delay of 8ns. It supports 3-state outputs and translates logic levels across mixed-voltage systems in a compact 14-pin UQFN package. Available from stock worldwide with fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 15
- Lifecycle
- ACTIVE
- Datasheet
- TXU0104BQAR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5309(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 4-channel unidirectional voltage-level translation with Schmitt-trigger inputs for noise-immune signal conditioning
- Ultra-fast 8ns maximum propagation delay enabling high-speed bus translation up to tens of MHz
- 3-state output capability and 14-pin UQFN package for compact multi-voltage interface designs
Applications
The TXU0104BQAR is ideal for interfacing 3.3V microcontrollers with 1.8V peripherals such as sensors, display controllers, and memory in IoT edge nodes and portable consumer electronics. Its Schmitt-trigger inputs reject noise on long PCB traces, making it equally useful in industrial automation equipment where 5V legacy signals must connect to modern 3.3V or 1.8V logic.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Delay-Max | 8ns |
| Input Characteristics | SCHMITT TRIGGER |
| Interface IC Type | VOLTAGE LEVEL TRANSLATOR |
| JESD-30 Code | R-PQCC-N14 |
| JESD-609 Code | e4 |
| Number of Bits | 4 |
| Number of Functions | 1 |
| Output Characteristics | 3-STATE |
| Output Latch or Register | NONE |
| Output Low Current-Max | -0.012 A |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC14,.1X.12,20 |
| Package Shape | RECTANGULAR |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Current-Max | 0.006mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 0.44V |
| Supply Voltage-Nom | 1.1V |
| Supply Voltage1-Max | 5.5V |
| Supply Voltage1-Min | 1.08V |
| Supply Voltage1-Nom | 1.1V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TXU0104BQAR:
suggested
suggested
suggested
suggested
Frequently Asked Questions
How fast can TXU0104BQAR translate signals between logic domains?
The TXU0104BQAR specifies a maximum propagation delay of 8ns from input to output, supporting signal translation at clock frequencies well above 50MHz. This makes it suitable for SPI, I2C, and general-purpose GPIO interfaces requiring rapid level shifting between 1.8V and 3.3V domains.
Why are Schmitt-trigger inputs important for the TXU0104BQAR in noisy environments?
Schmitt-trigger inputs introduce hysteresis of typically 200mV to 600mV, preventing false output transitions caused by slow-rising or noisy input signals. This is critical in industrial sensor interfaces and long PCB traces where 5V or 3.3V signals pick up coupling noise before reaching the translator.
What makes TXU0104BQAR suitable for space-constrained multi-rail PCB designs?
The 14-pin UQFN package occupies a footprint of approximately 1.5mm x 2.5mm, integrating 4 translation channels in less than 4mm² of board area. Combined with 3-state outputs that can be tri-stated when the bus is idle, this device simplifies multi-master bus sharing without external glue logic.
In which mixed-voltage scenarios is TXU0104BQAR a preferred choice over bidirectional translators?
Unidirectional translation is preferred for interrupt lines, chip-select signals, and write-only control buses where data flows in a single direction. Using TXU0104BQAR instead of a bidirectional device avoids bus-contention risks and simplifies timing analysis, especially when A-side and B-side VCC levels differ by as much as 3.3V.
Related Guides
CL31A107MQHNNNE 1206 100 uF MLCC Selection Guide
How to choose CL31A107MQHNNNE and related 1206 MLCCs for low-voltage bulk capacitance and regulator stability.
Jul 2, 2026
CL05B103KB5NNNC 0402 10 nF X7R MLCC Selection Guide
How to choose CL05B103KB5NNNC and related 0402 MLCCs for bypassing, filtering, voltage derating, and sourcing.
Jul 2, 2026
ADAQ7768-1 Design Guide for Precision Vibration and Dynamic Signal Measurement
Design ADAQ7768-1 precision data acquisition channels for vibration and dynamic sensing with the right bandwidth, reference, clock, and layout choices.
Jun 30, 2026
AD5204BRZ10 Design Guide for SPI-Controlled Gain and Offset Calibration
Design AD5204BRZ10 digital potentiometer calibration loops with bounded trim span, safe wiper current, clean SPI routing, and reliable startup codes.
Jun 30, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.5000 | $1.50 |
| 14+ | $1.0000 | $14.00 |
| 25+ | $0.6000 | $15.00 |
| 100+ | $0.5550 | $55.50 |
| 500+ | $0.5452 | $272.60 |
| 1000+ | $0.5309 | $530.91 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”