MC14520BDW и другие
| Компонент | Описание | Производитель | |
| MC14520BDW | Dual Up Counters |
ON Semiconductor |
 |
| MC14520BDWG | Dual Up Counters |
ON Semiconductor |
|
| MC14520BDWR2 | Dual Up Counters |
ON Semiconductor |
|
| MC14520BDWR2G | Dual Up Counters |
ON Semiconductor |
|