>=20 > This does not however save me any space over the discrete (mosfet + 2 > resistors) method. The discrete solution has a slight advantage over bei= ng able to > tuck the components into bare spots on the board also. >=20 I don't believe you need the resistors - check out the level shifter that P= hilips describe in their I2C specification document. --=20 Scanned by iCritical. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .