| Компонент | Описание | Производитель | |
| MC33121 | LOW VOLTAGE SUBSCRIBER LOOP INTERFACE CIRCUIT |
Motorola, Inc |
|
| MC33121FN | LOW VOLTAGE SUBSCRIBER LOOP INTERFACE CIRCUIT |
Motorola, Inc |
|
| MC33121P | LOW VOLTAGE SUBSCRIBER LOOP INTERFACE CIRCUIT |
Motorola, Inc |