This 6-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 should not exceed
When the output-enable (OE) input is low, all outputs are placed in the high-impedance
The TXB0106 is designed so that the OE input circuit is supplied by
This device is fully specified for partial-power-down applications using
Ioff. The Ioff 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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