| Device | Package | Operation Voltage | I/O Voltage | CPU Interface | Characteristics |
| CP5004 | LQFP144 | 3.3V | 3.3V, 5V tolerant | Serial, Parallel, Hardware | Short Haul 4 channels E1/T1/J1 LIU |
| CP5009 | LQFP144 | 3.3V | 3.3V, 5V tolerant | Serial, Parallel, Hardware | Short Haul 8 channels E1/T1/J1 LIU |
| CP5008 | LQFP144 | 3.3V | 3.3V, 5V tolerant | Serial, Parallel, Hardware | Short Haul 8 channels E1 LIU |
| CP5021 | PQFP64 | 3.3V | 3.3V, 5V tolerant | Parallel | Single channel E1 transceiver |
| CP5028 | LQFP208 | 3.3V | 3.3V, 5V tolerant | Parallel | 8 channels E1 transceiver |
| CP1306 | SSOP30 | 3.3V | 3.3V, 5V tolerant | Serial | Single channel PCM/ADPCM Codec |
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