The Texas Instruments SN74AUP1G125DCKR is a single bus buffer gate with a 3-state output. It operates from 0.8V to 3.6V and is available in a SC-70-5 package.
The Texas Instruments SN74AUP1G125DCKT is a single, non-inverting buffer with a 3-state output. It operates over a wide voltage range and is suitable for low-power applications.