TXS0102DCUR

2-Bit Bidirectional Voltage Level Translator for Open Drain Applications

describe

This two-bit non-inverting translator is a bidirectional voltage level translator that can be used to establish digital switching compatibility between mixed voltage systems. It uses two independently configurable power rails, the A port supports a 1.65V to 3.6V operating voltage range while tracking the VCCA supply, and the B port supports a 2.3V to 5.5V operating voltage range while tracking the VCCB supply. As a result, the device is capable of supporting lower and higher logic signal levels, while being capable of bidirectional translation at any time between 1.8V, 2.5V, 3.3V, and 5V voltage nodes.

When the output enable (OE) input is low, all inputs/outputs are in a high impedance state, significantly reducing power supply quiescent current consumption.

To ensure a high-impedance state during power-up or power-down, OE should be tied to ground through a pull-down resistor; the minimum value of this resistor depends on the driver's current-sourcing capability

characteristic

No directional control signal required

maximum data rate

24Mbps (push-pull)

2Mbps (open drain)

Available in NanoStar® package from Texas Instruments

Port A supports voltages from 1.65V to 3.6V, Port B supports voltages from 2.3V to 5.5V (VCCA ≤ VCCB)

VCC isolation feature: if either VCC input is grounded (GND), both ports are in a high-impedance state

No power supply sequencing required: either VCCA or VCCB can be ramped first

Ioff supports partial shutdown mode operation

Latch-up performance exceeds the 100mA required by the JESD 78 Class II specification

Electrostatic discharge (ESD) protection exceeds the requirements of the JESD 22 specification

A port:

2500V Human Body Discharge Model (A114-B)

250V Machine Discharge Mode (A115-A)

1500V Charging Device Model (C101)

B port:

8kV Human Body Model (A114-B)

250V Machine Discharge Mode (A115-A)

1500V Charging Device Model (C101)

TI Texas Instruments original authentic

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