JAJSUX0 June 2024 TXS0102V
PRODUCTION DATA
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During operation, ensure that VCCA ≤ VCCB at all times. The sequencing of each power supply will not damage the device during the power up operation, so either power supply can be ramped up first. The output-enable (OE) input circuit is designed so that it is supplied by VCCA and when the (OE) input is low, all outputs are placed in the high-impedance state.
To put the outputs in the high-impedance state during power up or power down, the OE input pin must be tied to GND through a pulldown resistor and must not be enabled until VCCA and VCCB are fully ramped and stable. The current-sourcing capability of the driver determines the minimum value of the pulldown resistor to ground.