MM74HC4040CW и другие
| Компонент | Описание | Производитель | |
| M74HC4040C1R | HC4020 14 STAGE BINARY COUNTER HC4040 12 STAGE BINARY COUNTER |
STMicroelectronics |
 |
| MM74HC4040CW | 12-Stage Binary Counter |
Fairchild Semiconductor |
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