Amit fentebb linekeltem nem lenne jó? Ilyen lenne is itthon a Hestore-ban:

http://www.mouser.com/ds/2/308/MC74VHC1GT08-D-107627.pdf

"allowing the device to be used as a logic−level translator from 3 V CMOS logic to 5 V CMOS Logic or from 1.8 V CMOS logic to 3V CMOS Logic while operating at the high−voltage power supply."