| 54ACQ240 | National Semiconductor | Quiet Series Inverting Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54ACQ240LMQB | National Semiconductor | Quiet Series Inverting Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54ACQ240DMQB | National Semiconductor | Quiet Series Inverting Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54ACQ240FMQB | National Semiconductor | Quiet Series Inverting Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54ACTQ240 | National Semiconductor | Quiet Series Inverting Octal Buffer/Line Driver with TRI-STATE Outputs |
| 5962-9218401M2A(54ACTQ240LMQB) | National Semiconductor | Quiet Series Inverting Octal Buffer/Line Driver with TRI-STATE Outputs |
| 5962-9218401MRA(54ACTQ240DMQB) | National Semiconductor | Quiet Series Inverting Octal Buffer/Line Driver with TRI-STATE Outputs |
| 5962-9218401MSA(54ACTQ240FMQB) | National Semiconductor | Quiet Series Inverting Octal Buffer/Line Driver with TRI-STATE Outputs |