NA556DR и другие
| Компонент | Описание | Производитель | |
| KA556D | Dual Timer |
Fairchild Semiconductor |
 |
| NA556D | DUAL PRECISION TIMERS |
Texas Instruments |
|
| NA556DG4 | DUAL PRECISION TIMERS |
Texas Instruments |
|
| NA556DR | DUAL PRECISION TIMERS |
Texas Instruments |
|
| NA556DRG4 | DUAL PRECISION TIMERS |
Texas Instruments |
|
| SA556D | DUAL PRECISION TIMERS |
Texas Instruments |
|
| SA556D | DUAL PRECISION TIMERS |
Texas Instruments |
|
| SA556DR | DUAL PRECISION TIMERS |
Texas Instruments |
|