| Компонент | Описание | Производитель | |
| 54F253LL | Dual 4-Input Multiplexer with TRI-STATE Outputs |
National Semiconductor |
|
| 54F253LMQB | Dual 4-Bit Multiplexer with TRI-STATE Outputs |
National Semiconductor |
|
| 54F253LMQB | Dual 4-Bit Multiplexer with TRI-STATE Outputs |
National Semiconductor |