SL4029BN и другие
| Компонент | Описание | Производитель | |
| SCL4029B | PRESETTABLE UP/DOWN COUNTER |
R & E International, Inc. |
 |
| SL4029B | Presettable Up/Down Counter |
System Logic Semiconductor |
|
| SL4029BDW | Presettable Up/Down Counter |
System Logic Semiconductor |
|
| SL4029BN | Presettable Up/Down Counter |
System Logic Semiconductor |
|