Some SMT packages used for 74xxx2G devices (6 contacts) These are only equivalences. See 1g-dyadic for package details. TI DCK NXP GW TI DRY NXP GM TI DSF NXP GF NXP GS NXP GN TI YFP Sources: http://www.nxp.com/documents/data_sheet/74AUP2G07.pdf http://focus.ti.com/lit/ds/symlink/sn74aup2g07.pdf