| 54ACTQ841 | National Semiconductor | Quiet Series 10-Bit Buffer/Line Driver with TRI-STATE Outputs |
| 54F2244 | National Semiconductor | Octal Buffer/Line Driver with 25 Ohm Series Resistors in the Outputs |
| 54F241 | National Semiconductor | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54F244 | National Semiconductor | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54F245 | National Semiconductor | Octal Bidirectional Transceiver with TRI-STATE Inputs/Outputs |
| 54F365 | National Semiconductor | HEX BUFFER/DRIVER WITH 3-STATE OUTPUTS |
| 54F540 | National Semiconductor | Octal Buffer/Line Driver with TRI-STATE Outputs (Inverting) |
| 54F544 | National Semiconductor | Octal Registered Transceiver (Inverting in Both Directions) [Life-time buy] |
| 54F545 | National Semiconductor | Octal Bidirectional Transceiver with TRI-STATE Inputs/Outputs [Life-time buy] |
| 54F646 | National Semiconductor | Octal Bus Transceiver and Register with TRI-STATE Outputs |
| 54F648 | National Semiconductor | Octal Bus Transceiver and Register with TRI-STATE Outputs [Life-time buy] |
| 54F652 | National Semiconductor | Octal Bus Transceiver and Register with TRI-STATE Outputs |
| 54F827 | National Semiconductor | 10-Bit Buffer/Line Driver [Life-time buy] |
| 54FCT240 | National Semiconductor | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54FCT244 | National Semiconductor | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54FCT245 | National Semiconductor | Octal Bidirectional Transceiver with TRI-STATE Outputs |
| 54FCT540 | National Semiconductor | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54FCT541 | National Semiconductor | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54LS240 | National Semiconductor | OCTAL BUFFERS/LINE DRIVERS (with 3-state outputs) |
| 54LS244 | National Semiconductor | OCTAL BUFFERS/LINE DRIVERS (with 3-state outputs) |