HC5503CB и другие
| Компонент | Описание | Производитель | |
| HC5503C | Unbalanced PBX/Key System SLIC, Subscriber Line Interface Circuit |
Intersil Corporation |
 |
| HC5503CB | Low Cost 24V SLIC For PABX / Key Systems |
Intersil Corporation |
|
| HC5503CBZ | Low Cost 24V SLIC For PABX / Key Systems |
Intersil Corporation |
|
| HC5503CBZ96 | Low Cost 24V SLIC For PABX / Key Systems |
Intersil Corporation |
|
| HC5503CCP | Unbalanced PBX/Key System SLIC, Subscriber Line Interface Circuit |
Intersil Corporation |
|