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SN74LVCH16T245-EP: Input state

Part Number: SN74LVCH16T245-EP
Other Parts Discussed in Thread: SN74LVCH16T245

Tool/software:

Hey team - can you help with the below?

The SN74LVCH16T245 has all inputs and outputs used, no pull-ups/pull-downs used at the input.

The voltage is translated from input level 3.3V to output level 2.5V.

When an input is no longer driven by an active low or high, what happens to the state of that input?

 

The issue I’m seeing is the following:

  • Pull-up resistor at the output.
  • Active state is low when driven.
  • State when not driven should be float but continues to be low causing the driven function to fail.