Product details

Technology Family TXB Applications UART, SPI, JTAG, I2S Bits (#) 4 High input voltage (Min) (Vih) 0.78 High input voltage (Max) (Vih) 5.5 Vout (Min) (V) 1.2 Vout (Max) (V) 5.5 IOH (Max) (mA) -0.02 IOL (Max) (mA) 0.02 Rating Automotive
Technology Family TXB Applications UART, SPI, JTAG, I2S Bits (#) 4 High input voltage (Min) (Vih) 0.78 High input voltage (Max) (Vih) 5.5 Vout (Min) (V) 1.2 Vout (Max) (V) 5.5 IOH (Max) (mA) -0.02 IOL (Max) (mA) 0.02 Rating Automotive
TSSOP (PW) 14 32 mm² 5 x 6.4 UQFN (RUT) 12 3 mm² 2 x 1.7 VQFN (RGY) 14 12 mm² 3.5 x 3.5
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results
    • Device Temperature Grade 1: –40°C to +125°C
      Ambient Operating Temperature Range
  • 1.2 V to 3.6 V on A Port and 1.65 V to 5.5 V on B Port
    (VCCA ≤ VCCB)
  • VCC Isolation Feature – If Either VCC
    Input is at GND, All Outputs are in the High-Impedance State
  • OE Input Circuit Referenced to VCCA
  • Ioff Supports Partial-Power-Down Mode Operation
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • ESD Protection Exceeds JESD 22
    • A port
      • ±2500-V Human-Body Model (A114-B)
      • ±1000-V Charged-Device Model (C101)
    • B port
      • ±15000-V Human-Body Model (A114-B)
      • ±1000-V Charged-Device Model (C101)
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results
    • Device Temperature Grade 1: –40°C to +125°C
      Ambient Operating Temperature Range
  • 1.2 V to 3.6 V on A Port and 1.65 V to 5.5 V on B Port
    (VCCA ≤ VCCB)
  • VCC Isolation Feature – If Either VCC
    Input is at GND, All Outputs are in the High-Impedance State
  • OE Input Circuit Referenced to VCCA
  • Ioff Supports Partial-Power-Down Mode Operation
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • ESD Protection Exceeds JESD 22
    • A port
      • ±2500-V Human-Body Model (A114-B)
      • ±1000-V Charged-Device Model (C101)
    • B port
      • ±15000-V Human-Body Model (A114-B)
      • ±1000-V Charged-Device Model (C101)

Voltage-level translators address the challenges posed by simultaneous use of different supply-voltage levels on the same circuit board. This 4-bit non-inverting translator uses two separate configurable power-supply rails. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 1.65 V to 5.5 V. This allows for universal low-voltage bidirectional translation between any of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, 3.3-V, and 5-V voltage nodes. VCCA should not exceed VCCB.

When the output-enable (OE) input is low, all outputs are placed in the high-impedance state. To ensure the high-impedance state during power up or power down, OE should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by the current-sourcing capability of the driver.

The TXB0104 is designed so that the OE input circuit is supplied by VCCA.

This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

Voltage-level translators address the challenges posed by simultaneous use of different supply-voltage levels on the same circuit board. This 4-bit non-inverting translator uses two separate configurable power-supply rails. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 1.65 V to 5.5 V. This allows for universal low-voltage bidirectional translation between any of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, 3.3-V, and 5-V voltage nodes. VCCA should not exceed VCCB.

When the output-enable (OE) input is low, all outputs are placed in the high-impedance state. To ensure the high-impedance state during power up or power down, OE should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by the current-sourcing capability of the driver.

The TXB0104 is designed so that the OE input circuit is supplied by VCCA.

This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

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Technical documentation

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Type Title Date
* Data sheet TXB0104-Q1 4-Bit Bidirectional Voltage-Level Translator with Automatic Direction Sensing and ±15-kV ESD Protection datasheet (Rev. A) 29 Dec 2014
Selection guide Voltage Translation Buying Guide (Rev. A) 15 Apr 2021
Technical article Don’t lose navigational signal in tunnels anymore 26 Aug 2015
More literature Automotive Logic Devices Brochure 27 Aug 2014
Application note A Guide to Voltage Translation With TXS-Type Translators 29 Jun 2010
Application note A Guide to Voltage Translation With TXB-Type Translators 03 Mar 2010

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

14-24-LOGIC-EVM — Generic Logic EVM Supporting 14 through 24 Pin PW, DB, D, DW, NS, DYY, and DGV Packages

This EVM is designed to support any logic device that has a D, DW, DB, NS, PW, DYY or DGV package in a 14 to 24 pin count.

In stock
Limit: 5
Evaluation board

14-24-NL-LOGIC-EVM — Generic 14 through 24 pin non-leaded package evaluation module

Flexible EVM designed to support any logic or translation device that has a BQA, BQB, RGY (14-24 pin), RSV, RJW, or RHL package.
In stock
Limit: 10
Simulation model

TXB0104 IBIS Model (Rev. C)

SCEM517C.ZIP (208 KB) - IBIS Model
Reference designs

TIDA-00296 — Automotive Body Control Module Driver Reference Design

TIDA-00296 is a reference design that highlights TI's high-side and low-side relay, motor, and load driver portfolios. The loads for this design (door locks, window lifts, seat heaters, HVAC, lamps, and LEDs) were chosen to show the range of loads that a BCM can drive and how TI's solutions fit (...)
Package Pins Download
TSSOP (PW) 14 View options
UQFN (RUT) 12 View options
VQFN (RGY) 14 View options

Ordering & quality

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  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

Support & training

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