DM74LS256 и другие
| Компонент | Описание | Производитель | |
| DM74LS251 | TRI-STATE Data Selectors/Multiplexers |
National Semiconductor |
 |
| DM74LS251 | 3-STATE 1-of-8 Line Data Selector/Multiplexer |
Fairchild Semiconductor |
|
| DM74LS251CW | 3-STATE 1-of-8 Line Data Selector/Multiplexer |
Fairchild Semiconductor |
|
| DM74LS251M | 3-STATE 1-of-8 Line Data Selector/Multiplexer |
Fairchild Semiconductor |
|
| DM74LS251M | TRI-STATE Data Selectors/Multiplexers |
National Semiconductor |
|
| DM74LS251MX | 3-STATE 1-of-8 Line Data Selector/Multiplexer |
Fairchild Semiconductor |
|
| DM74LS251N | TRI-STATE Data Selectors/Multiplexers |
National Semiconductor |
|
| DM74LS251N | 3-STATE 1-of-8 Line Data Selector/Multiplexer |
Fairchild Semiconductor |
|
| DM74LS253 | 3-STATE Data Selector/Multiplexer |
Fairchild Semiconductor |
|
| DM74LS253 | TRI-STATE Data Selectors/Multiplexers |
National Semiconductor |
|