SN74ALS642A-1NSG4
SN74ALS642A-1NSR
SN74ALS642A-1NSRE4
SN74ALS642A-1NSRG4
SN74ALS642N
SN74ALS643A-1N
SN74ALS643AN
SN74ALS645A-1DB
SN74ALS645A-1DBE4
SN74ALS645A-1DBG4