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Fixed-direction voltage translators

TXU0102

ACTIVE

Two channel fixed-direction level shifter with channels in same direction

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Data sheet

TXU0102

ACTIVE
Data sheet Order now

Product details

Technology family TXU Applications GPIO, JTAG, SPI, UART Bits (#) 2 Configuration 2 Ch A to B 0 Ch B to A High input voltage (min) (V) 0.44 High input voltage (max) (V) 5.5 Vout (min) (V) 0 Vout (max) (V) 5.5 Data rate (max) (Mbps) 200 IOH (max) (mA) -12 IOL (max) (mA) -12 Supply current (max) (µA) 5.5 Features 1.08, 1.95, 4.6 Input type Schmitt-Trigger Output type 3-State Rating Catalog Operating temperature range (°C) -40 to 125
Technology family TXU Applications GPIO, JTAG, SPI, UART Bits (#) 2 Configuration 2 Ch A to B 0 Ch B to A High input voltage (min) (V) 0.44 High input voltage (max) (V) 5.5 Vout (min) (V) 0 Vout (max) (V) 5.5 Data rate (max) (Mbps) 200 IOH (max) (mA) -12 IOL (max) (mA) -12 Supply current (max) (µA) 5.5 Features 1.08, 1.95, 4.6 Input type Schmitt-Trigger Output type 3-State Rating Catalog Operating temperature range (°C) -40 to 125
VSSOP (DCU) 8 6.2 mm² 2 x 3.1 X1QFN (DTT) 8 1.95 mm² 1.95 x 1 X2SON (DTM) 8 1.08 mm² 0.8 x 1.35
  • Fully configurable dual-rail design allows each port to operate from 1.1 V to 5.5 V
  • Up to 200 Mbps support for 3.3 V to 5.0 V
  • Schmitt-trigger inputs allows for slow and noisy inputs
  • Inputs with integrated static pull-down resistors prevent channels from floating
  • High drive strength (up to 12 mA at 5 V)
  • Low power consumption
    • 2.5 µA maximum (25°C)
    • 6 µA maximum (–40°C to 125°C)
  • VCC isolation and VCC disconnect (Ioff-float) feature
    • If either VCC input is <100 mV or disconnected, all outputs are disabled and become high-impedance
  • Ioff supports partial-power-down mode operation
  • Control logic (OE) with VCC(MIN) circuitry allows for control from either A or B port
  • Pinout compatible with TXB family level shifters
  • Available in another variant that supports common applications: TXU0202
  • Operating temperature from –40°C to +125°C
  • Latch-up performance exceeds 100 mA per JESD 78, class II
  • ESD protection exceeds JESD 22
    • 2500-V human-body model
    • 1500-V charged-device model
  • Fully configurable dual-rail design allows each port to operate from 1.1 V to 5.5 V
  • Up to 200 Mbps support for 3.3 V to 5.0 V
  • Schmitt-trigger inputs allows for slow and noisy inputs
  • Inputs with integrated static pull-down resistors prevent channels from floating
  • High drive strength (up to 12 mA at 5 V)
  • Low power consumption
    • 2.5 µA maximum (25°C)
    • 6 µA maximum (–40°C to 125°C)
  • VCC isolation and VCC disconnect (Ioff-float) feature
    • If either VCC input is <100 mV or disconnected, all outputs are disabled and become high-impedance
  • Ioff supports partial-power-down mode operation
  • Control logic (OE) with VCC(MIN) circuitry allows for control from either A or B port
  • Pinout compatible with TXB family level shifters
  • Available in another variant that supports common applications: TXU0202
  • Operating temperature from –40°C to +125°C
  • Latch-up performance exceeds 100 mA per JESD 78, class II
  • ESD protection exceeds JESD 22
    • 2500-V human-body model
    • 1500-V charged-device model

TXU0102 is a 2-bit, dual-supply noninverting fixed direction voltage level translation device. Ax pins are referenced to VCCA logic level, OE pin can be referenced to either VCCA or VCCB logic levels, and Bx pins are referenced to VCCB logic levels. The A port is able to accept input voltages ranging from 1.1 V to 5.5 V, while the B port can also accept input voltages from 1.1 V to 5.5 V. Fixed direction data transmission can occur from A to B or B to A when OE is set to high in reference to either supply. When OE is set to low, all output pins are in the high-impedance state. See Device Functional Modes for a summary of the operation of the control logic.

TXU0102 is a 2-bit, dual-supply noninverting fixed direction voltage level translation device. Ax pins are referenced to VCCA logic level, OE pin can be referenced to either VCCA or VCCB logic levels, and Bx pins are referenced to VCCB logic levels. The A port is able to accept input voltages ranging from 1.1 V to 5.5 V, while the B port can also accept input voltages from 1.1 V to 5.5 V. Fixed direction data transmission can occur from A to B or B to A when OE is set to high in reference to either supply. When OE is set to low, all output pins are in the high-impedance state. See Device Functional Modes for a summary of the operation of the control logic.
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Technical documentation

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Type Title Date
* Data sheet TXU0102 Dual-Bit Fixed Direction Voltage-Level Translator with Schmitt-Trigger Inputs and 3-State Outputs datasheet (Rev. A) PDF | HTML 10 Mar 2022
Application note Schematic Checklist - A Guide to Designing With Fixed or Direction Control Translators PDF | HTML 02 Oct 2024
Application note Schematic Checklist - A Guide to Designing with Auto-Bidirectional Translators PDF | HTML 12 Jul 2024
Application note Understanding Transient Drive Strength vs. DC Drive Strength in Level-Shifters (Rev. A) PDF | HTML 03 Jul 2024
Application brief Enabling Power-Efficient FPGA Designs With Level Translation PDF | HTML 30 Apr 2024
Application brief Future-Proofing Your Level Shifter Design with TI's Dual Footprint Packages PDF | HTML 05 Sep 2023
Product overview Enabling System on Module Industrial PC Connectivity With Level Translation PDF | HTML 03 Apr 2023
Application brief Enabling Next Generation Processors, FPGA, and ASSP with Voltage Level Translat PDF | HTML 17 Jan 2023
Application brief Enabling Next Generation Wireless Beacons with Level Translation PDF | HTML 14 Apr 2022

Design & development

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

Evaluation board

5-8-LOGIC-EVM — Generic logic evaluation module for 5-pin to 8-pin DCK, DCT, DCU, DRL and DBV packages

Flexible EVM designed to support any device that has a DCK, DCT, DCU, DRL, or DBV package in a 5 to 8 pin count.
User guide: PDF
Not available on TI.com
Simulation model

TXU0102, TXU0102-Q1 IBIS Model

SCEM792.ZIP (56 KB) - IBIS Model
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Package Pins CAD symbols, footprints & 3D models
VSSOP (DCU) 8 Ultra Librarian
X1QFN (DTT) 8 Ultra Librarian
X2SON (DTM) 8 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

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