Texas Instruments

TXB0108PWR

Translators, Level Shifters

Manufacturer
MPN
TXB0108PWR
Package / Case
TSSOP-20
Key Attributes
8-Bit Bidirectional Voltage-Level Translator with Auto-Direction Sensing and ±15-kV ESD Protection

Technical Specifications

TypeDescription
Working Voltage V2.987 V
Data Rate100000000
Interface-
Number of Elements1
output typeTri-State
Output Signal-
Input Signal-
TypeDescription
Channel TypeBidirectional
Number of Circuits8
Current - Output High(IOH)-
Current - Output Low(IOL)-
Operating Temp-40°C ~ +85°C
FeaturesAutomatic direction detection;Output enable high-impedance;Power-off protection
Package / CaseTSSOP-20

Product Introduction

This 8- bit noninverting 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 3.5 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.

The TXB0108 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.

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.

Features

  • 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
  • Low Power Consumption, 4- 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
  • A Port
  • 2000- V Human- Body Model (A114- B)
  • 1000- V Charged- Device Model (C101)
  • B Port
  • ±15- kV Human- Body Model (A114- B)
  • ±8- kV Human- Body Model (A114- B) (YZP Package Only)
  • 1000- V Charged- Device Model (C101)

Applications

  • - Handset - Smartphone - Tablet - Desktop PC

Datasheet

📄 Open Download

Alternative Parts

Common TXB0108PWR alternatives overseas buyers search for:

Compliance & Export Codes

TypeDetails
RoHSROHS3
ECCNEAR99
CNHTS8542399000
USHTS8542390001
TARIC8542399000
TypeDetails
CAHTS8542390000
BRHTS85423999
INHTS85423900
MXHTS8542.39.99

Sourcing Information

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