54ACT540DM 8-Bit Inverting Buffer/Driver
54ACT540FM 8-Bit Inverting Buffer/Driver
54ACT540LM 8-Bit Inverting Buffer/Driver
54ACT541 Octal Buffer/Line Driver with TRI-STATE Outputs(???????????????????????)
54ACT541DM 8-Bit Non-Inverting Buffer/Driver
54ACT541FM 8-Bit Non-Inverting Buffer/Driver
54ACT541LM 8-Bit Non-Inverting Buffer/Driver