TXB0101 1-Bit Bidirectional Voltage-Level Shifter With Auto Direction Sensing and +/-15-kV ESD Protect | TI.com

TXB0101
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1-Bit Bidirectional Voltage-Level Shifter With Auto Direction Sensing and +/-15-kV ESD Protect

 

Description

This 1-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 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.

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.

NanoFree™ package technology is a major breakthrough in IC packaging concepts, using the die as the package.

Features

  • Available in the Texas Instruments NanoFree™ Package
  • 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, 5 µA Maximum 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)
      • 250 V Machine Model (A115-A)
      • 1500 V Charged-Device Model (C101)
    • B Port
      • 15 kV Human Body Model (A114-B)
      • 250 V Machine Model (A115-A)
      • 1500 V Charged-Device Model (C101)

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Parametrics

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Part number Order Technology Family Application Bits (#) High input voltage (Min) (Vih) High input voltage (Max) (Vih) Output voltage (Max) (V) Output voltage (Min) (V) IOH (Max) (mA) IOL (Max) (mA) Package Group Rating
TXB0101 Order now TXB       1     0.78     5.5     5.5     1.2     -0.02     0.02     DSBGA | 6
SC70 | 6
SOT-23 | 6
SOT-5X3 | 6    
Catalog    
SN74AVC1T45 Order now AVC     GPIO     1     0.78     3.6     3.6     1.2     -12     12     DSBGA | 6
SC70 | 6
SOT-23 | 6
SOT-5X3 | 6    
Catalog    
SN74AVCH1T45 Order now AVC     GPIO     1     1     3.6     3.6     1.2     -12     12     DSBGA | 6
SC70 | 6
SOT-23 | 6    
Catalog    
SN74LVC1T45 Order now LVC     GPIO     1     1.08     5.5     5.5     1.65     -32     32     DSBGA | 6
SC70 | 6
SOT-23 | 6
SOT-5X3 | 6
USON | 6    
Catalog    
SN74LVC1T45-Q1 Order now LVC     GPIO     1     1.08     5.5     5.5     1.65     -32     32     SC70 | 6     Automotive    
TXS0101 Order now TXS       1     1.45     5.5     5.5     1.65     0     0     DSBGA | 6
SC70 | 6
SOT-23 | 6
SOT-5X3 | 6    
Catalog