TXB0104RGYR
1 Features

TXB0104RGYR • 1.2-V to 3.6-V on A Port and 1.65-V to 5.5-V

on B Port (VCCA ≤ VCCB)

TXB0104RGYR • VCC Isolation Feature: If Either VCC Input Is at

GND, All Outputs Are in the High-Impedance

State

TXB0104RGYR • Output Enable (OE) Input Circuit Referenced to

VCCA

• Low Power Consumption, 5-μA Maximum ICC

• 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:

– 2500-V Human-Body Model (A114-B)

– 1500-V Charged-Device Model (C101)

– B Port:

– ±15-kV Human-Body Model (A114-B)

– 1500-V Charged-Device Model (C101)

2 Applications

• Headsets

• Smartphones

• Tablets

• Desktop PC

3 Description

This TXB0104 4-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 must not exceed VCCB.

When the OE input is low, all outputs are placed in

the high-impedance state. To ensure the highimpedance

state during power up or power down, OE

must be tied to GND through a pulldown resistor The

current sourcing capability of the driver determines

the minimum value of the resistor.

The TXB0104 device is designed so the OE input

circuit is supplied by VCCA.

This device is fully specified for partial power-down

applications using I OFF. The I OFF circuitry disables

the outputs, which prevents damaging current

backflow throug

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