Because of the Thanksgiving holiday in the U.S., TI E2E™ design support forum responses may be delayed from November 25 through December 2. Thank you for your patience.
The ABT family is designed to have TTL-compatible voltage levels at both inputs and outputs.
The SN54AHC541 datasheet says in section 8.1:
To ensure the high-impedance state during power up or power down, OE should be tied to V CC through a pullup resistor…