DM74LS283MX и другие
| Компонент | Описание | Производитель | |
| DM74LS283M | 4-Bit Binary Adders with Fast Carry |
National Semiconductor |
 |
| DM74LS283M | 4-Bit Binary Adder with Fast Carry |
Fairchild Semiconductor |
|
| DM74LS283MX | 4-Bit Binary Adder with Fast Carry |
Fairchild Semiconductor |
|