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| PartNumber | SI32391-B-GM | SI32391-B-GM1 | SI32391-B-GM1R |
| Description | Telecom Interface ICs Wideband single FXS analog ProSLIC (-136V max. battery), 7x7 mm package, for use with BCM337x/8x & BCM68xx SoCs | Telecom Interface ICs Wideband single FXS analog ProSLIC (-136V max. battery), 6x6 mm package, for use with BCM337x/8x & BCM68xx SoCs | Telecom Interface ICs Wideband single FXS analog ProSLIC (-136V max. battery), 6x6 mm package, for use with BCM337x/8x & BCM68xx SoCs |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories |
| Product Category | Telecom Interface ICs | Telecom Interface ICs | Telecom Interface ICs |
| Packaging | Tray | Tray | Reel |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Product Type | Telecom Interface ICs | Telecom Interface ICs | Telecom Interface ICs |
| Factory Pack Quantity | 260 | 260 | 2500 |
| Subcategory | Interface ICs | Interface ICs | Interface ICs |
| RoHS | - | Y | Y |
| Product | - | SLIC - Subscriber Line Interface Circuits | Subscriber Line Interface Circuits - SLICs |
| Mounting Style | - | SMD/SMT | - |
| Package / Case | - | QFN-48 | - |
| Series | - | SI32391 | SI32391 |
| Type | - | SLIC Analog Interface | - |
| Interface Type | - | 4-Wire Serial Interface | - |
| Number of Channels | - | 1 Channel | - |
| Number of Input Lines | - | 1 Line | - |
| Operating Supply Voltage | - | 3.3 V | - |
| Unit Weight | - | 0.005309 oz | - |