| Компонент | Описание | Производитель | |
| SL74HC240 | Octal 3-State Inverting Buffer/Line Driver/Line Receiver |
System Logic Semiconductor |
|
| SL74HC240D | Octal 3-State Inverting Buffer/Line Driver/Line Receiver |
System Logic Semiconductor |
|
| SL74HC240N | Octal 3-State Inverting Buffer/Line Driver/Line Receiver |
System Logic Semiconductor |