The TXB0102 Voltage Level Translator

SOT-23
SOT-70

I am sure you can find 0.5mm pitch by 3.2/3.3mm wide breakout boards on the web somewhere.
One example
~~http://www.schmartboard.com/index.asp?page=products_smttodip&id=450~~
edit: correct lead space adapter:
http://www.schmartboard.com/index.asp?page=products_smttodip&id=491