TXB0102DCURG4

The TXB0102 device is a 2-bit noninverting translator
that 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 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 when the device is powered down.
This inhibits current backflow into the device which
prevents damage to the device.
OE must be tied to GND through a pulldown resistor
to assure the high-impedance state during power up
or power down; the minimum value of the resistor is
determined by the current-sourcing capability of the
driver.
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