CM8870CPE и другие
| Компонент | Описание | Производитель | |
| CM8870CP | CMOS Integrated DTMF Receiver |
California Micro Devices Corp |
 |
| CM8870CPE | CMOS Integrated DTMF Receiver |
California Micro Devices Corp |
|
| CM8870CPEI | CMOS Integrated DTMF Receiver |
California Micro Devices Corp |
|
| CM8870CPI | CMOS Integrated DTMF Receiver |
California Micro Devices Corp |
|