| Компонент | Описание | Производитель | |
| ATTL7556AAU | Low-Power SLICs with Battery Switch |
Agere Systems |
|
| ATTL7556AAU | LH1263 E&M Signaling Circuit |
List of Unclassifed Manufacturers |
|
| ATTL7556AAU-TR | Low-Power SLICs with Battery Switch |
Agere Systems |