SN74ALS540NS-ERS
SN74ALS540NSG4
SN74ALS540NSR
SN74ALS540NSRE4
SN74ALS540NSRG4
SN74ALS541-1DB
SN74ALS541-1DBE4
SN74ALS541-1DBG4
SN74ALS541-1DBR
SN74ALS541-1DBRE4