| 制造商 | 部件名 | 数据表 | 功能描述 |
 National Semiconductor ... | 54FCT240F |  129Kb/6P | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54FCT240FMQB |  129Kb/6P | Octal Buffer/Line Driver with TRI-STATE Outputs |
 National Semiconductor ... | 54FCT240D |  129Kb/6P | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54FCT240DMQB |  129Kb/6P | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54FCT240FMQB |  129Kb/6P | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54FCT240L |  129Kb/6P | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54FCT240LMQB |  129Kb/6P | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54FCT240 |  129Kb/6P | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54FCT241 |  113Kb/5P | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 54FCT244 |  110Kb/5P | Octal Buffer/Line Driver with TRI-STATE Outputs |