| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | 54F243DMQB |  133Kb/6P | Quad Bus Transceiver with TRI-STATE Outputs |
 National Semiconductor ... | 54F243DMX |  133Kb/6P | Quad Bus Transceiver with TRI-STATE Outputs |
| 54F243DCQB |  133Kb/6P | Quad Bus Transceiver with TRI-STATE Outputs |
| 54F243DCX |  133Kb/6P | Quad Bus Transceiver with TRI-STATE Outputs |
| 54F243DM |  133Kb/6P | Quad Bus Transceiver with TRI-STATE Outputs |
| 54F243FCQB |  133Kb/6P | Quad Bus Transceiver with TRI-STATE Outputs |
| 54F243FCX |  133Kb/6P | Quad Bus Transceiver with TRI-STATE Outputs |
| 54F243FM |  133Kb/6P | Quad Bus Transceiver with TRI-STATE Outputs |
| 54F243FMQB |  133Kb/6P | Quad Bus Transceiver with TRI-STATE Outputs |
| 54F243FMX |  133Kb/6P | Quad Bus Transceiver with TRI-STATE Outputs |
| 54F243LCQB |  133Kb/6P | Quad Bus Transceiver with TRI-STATE Outputs |
| 54F243LCX |  133Kb/6P | Quad Bus Transceiver with TRI-STATE Outputs |
| 54F243LM |  133Kb/6P | Quad Bus Transceiver with TRI-STATE Outputs |
| 54F243LMQB |  133Kb/6P | Quad Bus Transceiver with TRI-STATE Outputs |
| 54F243LMX |  133Kb/6P | Quad Bus Transceiver with TRI-STATE Outputs |
| 54F243SCQB |  133Kb/6P | Quad Bus Transceiver with TRI-STATE Outputs |
| 54F243SCX |  133Kb/6P | Quad Bus Transceiver with TRI-STATE Outputs |
| 54F243SMQB |  133Kb/6P | Quad Bus Transceiver with TRI-STATE Outputs |
| 54F243SMX |  133Kb/6P | Quad Bus Transceiver with TRI-STATE Outputs |
| 54F240 |  189Kb/10P | Octal Buffers/Line Drivers with TRI-STATE Outputs |