| 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 |
| 54F244DMQB | National Semiconductor | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54F244FMQB | National Semiconductor | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54F244LMQB | National Semiconductor | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54F245 | National Semiconductor | Octal Bidirectional Transceiver with TRI-STATE Inputs/Outputs |
| 54F245DMQB | National Semiconductor | Octal Bidirectional Transceiver with TRI-STATE Inputs/Outputs |
| 54F245FMQB | National Semiconductor | Octal Bidirectional Transceiver with TRI-STATE Inputs/Outputs |
| 54F245LMQB | National Semiconductor | Octal Bidirectional Transceiver with TRI-STATE Inputs/Outputs |
| 54F251A | National Semiconductor | 8-Input Multiplexer with TRI-STATE Outputs |
| 54F251ADMQB | National Semiconductor | 8-Input Multiplexer with TRI-STATE Outputs |
| 54F251AFMQB | National Semiconductor | 8-Input Multiplexer with TRI-STATE Outputs |
| 54F251ALMQB | National Semiconductor | 8-Input Multiplexer with TRI-STATE Outputs |
| 54F253 | National Semiconductor | Dual 4-Bit Multiplexer with TRI-STATE Outputs |
| 54F253DMQB | National Semiconductor | Dual 4-Bit Multiplexer with TRI-STATE Outputs |
| 54F253LMQB | National Semiconductor | Dual 4-Bit Multiplexer with TRI-STATE Outputs |
| 54F257A | National Semiconductor | Quad 2-Input Multiplexer with TRI-STATE Outputs |
| 54F257ADMQB | National Semiconductor | Quad 2-Input Multiplexer with TRI-STATE Outputs |
| 54F257AFMQB | National Semiconductor | Quad 2-Input Multiplexer with TRI-STATE Outputs |