74F257ASCX и другие
| Компонент | Описание | Производитель | |
| 74F257ASC | Quad 2-Input Multiplexer with TRI-STATE Outputs |
National Semiconductor |
 |
| 74F257ASC | Quad 2-Input Multiplexer with 3-STATE Outputs |
Fairchild Semiconductor |
|
| 74F257ASCSCX | Quad 2-Input Multiplexer with TRI-STATE Outputs |
National Semiconductor |
|
| 74F257ASCSJX | Quad 2-Input Multiplexer with TRI-STATE Outputs |
National Semiconductor |
|
| 74F257ASCX | Quad 2-Input Multiplexer with 3-STATE Outputs |
Fairchild Semiconductor |
|