| Fabricante Electrônico | Nome de Peças | Folha de dados | Descrição Electrónicos |
 National Semiconductor ... | 74F544SC |  186Kb/10P | Octal Registered Transceiver |
 National Semiconductor ... | 74F544SCQB |  186Kb/10P | Octal Registered Transceiver |
 National Semiconductor ... | 74F544SCQB |  186Kb/ 10P | Octal Registered Transceiver |
| 74F544SPC |  186Kb/ 10P | Octal Registered Transceiver |
 National Semiconductor ... | 74F544MSA |  186Kb/ 10P | Octal Registered Transceiver |
 National Semiconductor ... | 74F544MSAQB |  186Kb/ 10P | Octal Registered Transceiver |
| 74F540 |  166Kb/ 8P | Octal Buffer/Line Driver with TRI-STATE Outputs |
 National Semiconductor ... | 74F540PC |  166Kb/ 8P | Octal Buffer/Line Driver with TRI-STATE Outputs |
| 74F540SC |  166Kb/ 8P | Octal Buffer/Line Driver with TRI-STATE Outputs |
 National Semiconductor ... | 74F540SJ |  166Kb/ 8P | Octal Buffer/Line Driver with TRI-STATE Outputs |