| Manufacturer | Part Number | Description |
|---|---|---|
Intersil (now Renesas)
| HC5503 | Low Cost 24V SLIC |
|
Intersil (now Renesas)
| HC5503C | Unbalanced PBX/Key System SLIC |
Renesas
| HC5503T | Balanced PBX/Key System SLIC |
|
Renesas
| HC5503 | Low Cost 24V SLIC |
