| Компонент | Описание | Производитель | |
| 74F253SJ | Dual 4-Input Multiplexer with TRI-STATE Outputs |
National Semiconductor |
|
| 74F253SJ | Dual 4-Input Multiplexer with 3-STATE Outputs |
Fairchild Semiconductor |
|
| 74F253SJ | Dual 4-Input Multiplexer with 3-STATE Outputs |
Fairchild Semiconductor |
|
| 74F253SJX | Dual 4-Bit Multiplexer with 3-STATE Outputs |
Fairchild Semiconductor |