SN74LS245DWR

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

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

8-ch, 4.5-V to 5.5-V buffers with TTL-compatible CMOS inputs and 3-state outputs

Octal bus transceivers with tri-state outputs