TXS0102DCUR

This two-bit non-inverting translator is a bidirectional
voltage-level translator and can be used to establish
digital switching compatibility between mixed-voltage
systems. It uses two separate configurable powersupply rails, with the A ports supporting operating
voltages from 1.65 V to 3.6 V while it tracks the VCCA
supply, and the B ports supporting operating voltages
from 2.3 V to 5.5 V while it tracks the VCCB supply.
This allows the support of both lower and higher logic
signal levels while providing bidirectional translation
capabilities between any of the 1.8-V, 2.5-V, 3.3-V,
and 5-V voltage nodes.
When the output-enable (OE) input is low, all I/Os
are placed in the high-impedance state, which
significantly reduces the power-supply quiescent
current consumption.
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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    SPECIFICATION

    • No direction-control signal needed
    • Maximum data rates:
    – 24 Mbps (push pull)
    – 2 Mbps (open drain)
    • Available in the Texas Instruments NanoStar™
    integrated circuit package
    • 1.65 V to 3.6 V on A port and 2.3 V to 5.5 V on B
    port (VCCA ≤ VCCB)
    • VCC isolation feature: if either VCC input is at GND,
    both ports are in the High-Impedance state
    • No power-supply sequencing required: either VCCA
    or VCCB can be ramped first
    • 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:
    • 2500-V Human-Body Model (A114-B)
    • 250-V Machine Model (A115-A)
    • 1500-V Charged-Device Model (C101)
    – B port:
    • 8-kV Human-Body Model (A114-B)
    • 250-V Machine Model (A115-A)
    • 1500-V Charged-Device Model (C101)