HD74LS490 и другие
| Компонент | Описание | Производитель | |
| HD74LS49 | BCD-to-Seven Segment Decoder Driver(with Open collector outputs) |
Hitachi Semiconductor |
 |
| HD74LS490 | Ouadruple 2-input Positive NAND Gates |
Hitachi Semiconductor |
|
| HD74LS490P | BCD-to-Seven Segment Decoder Driver(with Open collector outputs) |
Hitachi Semiconductor |
|
| HD74LS49FP | BCD-to-Seven Segment Decoder Driver(with Open collector outputs) |
Hitachi Semiconductor |
|