TXB0108

DSBGA (YZP)

20

0 mm² 1.928 x 2.428

NFBGA (NME)

20

8 mm² 2.5 x 3

SON (DQS)

20

8 mm² 2 x 4

TSSOP (PW)

20

29 mm² 4.4 x 6.5

VQFN (RGY)

20

16 mm² 3.5 x 4.5

VQFN (RGY)

20

16 mm² 4.5 x 3.5

1.2 V to 3.6 V on A Port and 1.65 V to 5.5 V on B Port (V_CCA ≤ V_CCB)
V_CC Isolation Feature – If Either V_CC Input Is at GND, All Outputs Are in the High-Impedance State
OE Input Circuit Referenced to V_CCA
Low Power Consumption, 4-µA Max I_CC
I_off 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)

1.2 V to 3.6 V on A Port and 1.65 V to 5.5 V on B Port (V_CCA ≤ V_CCB)
V_CC Isolation Feature – If Either V_CC Input Is at GND, All Outputs Are in the High-Impedance State
OE Input Circuit Referenced to V_CCA
Low Power Consumption, 4-µA Max I_CC
I_off 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)

This 8-bit noninverting translator uses two separate configurable power-supply rails. The A port is designed to track V_CCA. V_CCA accepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track V_CCB. V_CCB 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. V_CCA should not exceed V_CCB.

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 V_CCA.

This device is fully specified for partial-power-down applications using I_off. The I_off 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.

This 8-bit noninverting translator uses two separate configurable power-supply rails. The A port is designed to track V_CCA. V_CCA accepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track V_CCB. V_CCB 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. V_CCA should not exceed V_CCB.

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 V_CCA.

This device is fully specified for partial-power-down applications using I_off. The I_off 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.

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TXB0104

ACTIVE

4-Bit Bidirectional Voltage-Level Shifter with Auto Direction Sensing and +/-15 kV ESD Protect Same function for 4-channel voltage translator

Technical documentation

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	Type	Title	Date
*	Data sheet	TXB0108 8-Bit Bidirectional Voltage-Level Translator With Auto-Direction Sensing datasheet (Rev. H)	25 Aug 2020
	Selection guide	Voltage Translation Buying Guide (Rev. A)	15 Apr 2021
	Application note	Effects of pullup and pulldown resistors on TXS and TXB devices (Rev. A)	28 Mar 2018
	Application note	Factors Affecting VOL for TXS and LSF Auto-bidirectional Translation Devices	19 Nov 2017
	Application note	Biasing Requirements for TXS, TXB, and LSF Auto-Bidirectional Translators	30 Oct 2017
	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.

User guide

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.

User guide

In stock

Limit: 10

Evaluation board

TXB-EVM — 1 to 8 bit TXB translator family evaluation module

This EVM is designed to support the TXB auto bidirectional families for single, dual, four and eight channel devices. The TXB devices belong to the auto bidirectional translation family with an operating voltage designed to level translation between 1.2V and 5.5 V.

User guide

In stock

Limit: 5

Simulation model

HSPICE Model for TXB0108 (Rev. A)

SCEJ242A.ZIP (101 KB) - HSpice Model

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Simulation model

TXB0108 IBIS Model (Rev. G)

SCEM518G.ZIP (205 KB) - IBIS Model

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