SN74LS245DWR

4-ch, 2-V to 6-V buffers with 3-state outputs

2-ch, 1.65-V to 5.5-V buffers with open-drain outputs

6-ch, 2-V to 6-V inverters with Schmitt-Trigger inputs

2-ch, 1.65-V to 5.5-V inverters