SN74ALS642A-1N
SN74ALS642A-1NE4
SN74ALS642A-1NS
SN74ALS642A-1NSE4
SN74ALS642A-1NSG4
SN74ALS642A-1NSR
SN74ALS642A-1NSRE4
SN74ALS642A-1NSRG4
SN74ALS642N
SN74ALS643A-1N