SN74ALS642A-1DB
SN74ALS642A-1DBE4
SN74ALS642A-1DBG4
SN74ALS642A-1DW
SN74ALS642A-1DWE4
SN74ALS642A-1DWG4
SN74ALS642A-1DWR
SN74ALS642A-1DWRE4
SN74ALS642A-1DWRG4
SN74ALS642A-1N