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| PartNumber | SI32171-B-GM1 | SI32171-B-GM1R | SI32171-B-GM |
| Description | Telecom Interface ICs FXS with dc-dc controller (-110V max. battery), DTMF detection, pulse-metering - lead free | Telecom Line Management ICs Telecom Interface ICs FXSw/ dc-dCcntrl -110V max. battery | IC PROSLIC FXS DTMF -110V 42QFN |
| Manufacturer | Silicon Laboratories | Silicon Labs | - |
| Product Category | Telecom Interface ICs | Interface - Telecom | - |
| Packaging | Tray | Tape & Reel (TR) Alternate Packaging | - |
| Brand | Silicon Labs | - | - |
| Product Type | Telecom Interface ICs | - | - |
| Factory Pack Quantity | 364 | - | - |
| Subcategory | Interface ICs | - | - |
| Series | - | ProSLICR | - |
| Package Case | - | 42-WFQFN Exposed Pad | - |
| Operating Temperature | - | - | - |
| Mounting Type | - | Surface Mount | - |
| Function | - | Subscriber Line Interface Concept (SLIC), CODEC | - |
| Interface | - | GCI, PCM, SPI | - |
| Voltage Supply | - | 3.3V | - |
| Supplier Device Package | - | 42-QFN (5x7) | - |
| Number of Circuits | - | 1 | - |
| Power Watts | - | - | - |
| Current Supply | - | - | - |