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TXB0302

ACTIVO

CONVERSOR DE NIVEL DE TENSIÓN BIDIRECCIONAL DE 2 BITS

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TXB0302

ACTIVO
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Detalles del producto

Bits (#) 2 Data rate (max) (Mbps) 140 Topology Push-Pull Direction control (typ) Auto-direction Vin (min) (V) 0.9 Vin (max) (V) 3.6 Vout (min) (V) 0.9 Vout (max) (V) 3.6 Features Edge rate accelerator, Integrated pullup resistors, Output enable, Partial power down (Ioff), Vcc isolation Technology family TXB Supply current (max) (mA) 0.01 Rating Catalog Operating temperature range (°C) -40 to 85
Bits (#) 2 Data rate (max) (Mbps) 140 Topology Push-Pull Direction control (typ) Auto-direction Vin (min) (V) 0.9 Vin (max) (V) 3.6 Vout (min) (V) 0.9 Vout (max) (V) 3.6 Features Edge rate accelerator, Integrated pullup resistors, Output enable, Partial power down (Ioff), Vcc isolation Technology family TXB Supply current (max) (mA) 0.01 Rating Catalog Operating temperature range (°C) -40 to 85
X2SON (DQM) 8 2.16 mm² (1.8 mm × 1.2 mm)
  • Fully Symmetric Supply Voltages.
    0.9 V to 3.6 V on A Port and 0.9 V to 3.6 V
  • VCC Isolation Feature — If Either VCC
    Input Is at GND, All Outputs Are in the High-Impedance State
  • OE Input Circuit Referenced to VCCA
  • Low Power Consumption, 5-µA Max ICC
  • Ioff Supports Partial-Power-Down Mode Operation
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • ESD Protection Exceeds JESD 22
    • 4000-V Human-Body Model (A114-B)
    • 1000-V Charged-Device Model (C101)
  • Fully Symmetric Supply Voltages.
    0.9 V to 3.6 V on A Port and 0.9 V to 3.6 V
  • VCC Isolation Feature — If Either VCC
    Input Is at GND, All Outputs Are in the High-Impedance State
  • OE Input Circuit Referenced to VCCA
  • Low Power Consumption, 5-µA Max ICC
  • Ioff Supports Partial-Power-Down Mode Operation
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • ESD Protection Exceeds JESD 22
    • 4000-V Human-Body Model (A114-B)
    • 1000-V Charged-Device Model (C101)

This 2-bit noninverting translator uses two separate configurable power-supply rails. The A port is designed to track VCCA. VCCA accepts any supply voltage from 0.9 V to 3.6 V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 0.9 V to 3.6 V. This allows for low-voltage bidirectional translation between 1-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V and 3.3-V voltage nodes. For the TXB0302, 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 TXB0302 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.

This 2-bit noninverting translator uses two separate configurable power-supply rails. The A port is designed to track VCCA. VCCA accepts any supply voltage from 0.9 V to 3.6 V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 0.9 V to 3.6 V. This allows for low-voltage bidirectional translation between 1-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V and 3.3-V voltage nodes. For the TXB0302, 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 TXB0302 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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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos 2-Bit Bidirectional Voltage-Level Translator, TXB0302 datasheet (Rev. B) 4/10/2012
Nota sobre la aplicación Overcoming TXB-Type Translators Design Challenges PDF | HTML 18/09/2024
Nota sobre la aplicación Schematic Checklist - A Guide to Designing with Auto-Bidirectional Translators PDF | HTML 12/07/2024
Nota sobre la aplicación Understanding Transient Drive Strength vs. DC Drive Strength in Level-Shifters (Rev. A) PDF | HTML 3/07/2024
Nota sobre la aplicación Leveraging Edge Rate Accelerators with Auto-Sensing Level Shifters PDF | HTML 29/09/2023
Nota sobre la aplicación Do’s and Don’ts for TXB and TXS Voltage Level-Shifters with Edge Rate Accelerato PDF | HTML 28/06/2023
Guía de selección Voltage Translation Buying Guide (Rev. A) 15/04/2021

Diseño y desarrollo

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Placa de evaluación

TXB0302EVM — Módulo de evaluación TXB0302

The TXB0302 is a 2-bit noninverting translator uses two separate configurable power-supply rails. The A port is designed to track VCCA. VCCA accepts any supply voltage from 0.9 V to 3.6 V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 0.9 V to 3.6 V. This allows for (...)

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Modelo de simulación

TXB0302 IBIS Model (Rev. A)

SCEM548A.ZIP (121 KB) - Modelo IBIS
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