| Компонент | Описание | Производитель | |
| KKC555 | CMOS general purpose timer |
KODENSHI KOREA CORP. |
|
| KKC555D | CMOS general purpose timer |
KODENSHI KOREA CORP. |
|
| KKC555N | CMOS general purpose timer |
KODENSHI KOREA CORP. |
|
| KKC556D | General purpose dual timer |
KODENSHI KOREA CORP. |
|
| KKC556N | General purpose dual timer |
KODENSHI KOREA CORP. |