| Компонент | Описание | Производитель | |
| DM54LS471 | (256 X 8) 2048-BIT TTL PROM |
National Semiconductor |
|
| DM54LS471J | (256 X 8) 2048-BIT TTL PROM |
National Semiconductor |
|
| DM54LS47J | BCD to 7-Segment Decoder/Driver with Open-Collector Outputs |
Fairchild Semiconductor |
|
| DM54LS47W | BCD to 7-Segment Decoder/Driver with Open-Collector Outputs |
Fairchild Semiconductor |