74F257ASJX и другие
| Компонент | Описание | Производитель | |
| 74F257ASJ | Quad 2-Input Multiplexer with TRI-STATE Outputs |
National Semiconductor |
 |
| 74F257ASJ | Quad 2-Input Multiplexer with 3-STATE Outputs |
Fairchild Semiconductor |
|
| 74F257ASJSCX | Quad 2-Input Multiplexer with TRI-STATE Outputs |
National Semiconductor |
|
| 74F257ASJSJX | Quad 2-Input Multiplexer with TRI-STATE Outputs |
National Semiconductor |
|
| 74F257ASJX | Quad 2-Input Multiplexer with 3-STATE Outputs |
Fairchild Semiconductor |
|