DM74S287 и другие
| Компонент | Описание | Производитель | |
| DM74S280 | 9-Bit Parity Generator/Checker |
Fairchild Semiconductor |
 |
| DM74S280M | 9-Bit Parity Generator/Checker |
Fairchild Semiconductor |
|
| DM74S280N | 9-Bit Parity Generator/Checker |
Fairchild Semiconductor |
|
| DM74S283 | 4-Bit Binary Adder with Fast Carry |
Fairchild Semiconductor |
|
| DM74S283N | 4-Bit Binary Adder with Fast Carry |
Fairchild Semiconductor |
|
| DM74S287 | (256 x 4) 1024-BIT TTL PROM |
National Semiconductor |
|
| DM74S287AJ | (256 x 4) 1024-BIT TTL PROM |
National Semiconductor |
|
| DM74S287AN | (256 x 4) 1024-BIT TTL PROM |
National Semiconductor |
|
| DM74S287AV | (256 x 4) 1024-BIT TTL PROM |
National Semiconductor |
|
| DM74S287J | (256 x 4) 1024-BIT TTL PROM |
National Semiconductor |
|