SN74LS449D и другие
| Компонент | Описание | Производитель | |
| SN74LS449 | QUADRUPLE BUS TRANSCEIVERS WITH INDIVIDUAL DIRECTION CONTROLS |
Texas Instruments |
 |
| SN74LS449D | QUADRUPLE BUS TRANSCEIVERS WITH INDIVIDUAL DIRECTION CONTROLS |
Texas Instruments |
|
| SN74LS449N | QUADRUPLE BUS TRANSCEIVERS WITH INDIVIDUAL DIRECTION CONTROLS |
Texas Instruments |
|