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| PartNumber | SI2457-D-FT | SI2457-D-FTR | SI2457-D-FT18-EVB |
| Description | Network Controller & Processor ICs 56 kbps V.90 data ISOmodem system-side | Network Controller & Processor ICs 56 kbps V.90 data ISOmodem system-side | Networking Development Tools 24-pin Si2457 Rev. D and D1 + Si3018 ISOmodem Evaluation Board |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories |
| Product Category | Network Controller & Processor ICs | Network Controller & Processor ICs | Networking Development Tools |
| RoHS | Y | Y | Y |
| Series | SI2457 | SI2457 | - |
| Product | ISOModems | ISOModems | - |
| Data Rate | 56 kb/s | 56 kb/s | - |
| Frequency | 4.92 MHz | 4.92 MHz | - |
| Interface Type | Parallel, SPI, UART | Parallel, SPI, UART | - |
| Operating Supply Voltage | 3.3 V | 3.3 V | - |
| Operating Supply Current | 17 mA | 17 mA | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TSSOP-24 | TSSOP-24 | - |
| Packaging | Tube | Reel | - |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | Network Controller & Processor ICs | Network Controller & Processor ICs | Networking Development Tools |
| Factory Pack Quantity | 62 | 2500 | 1 |
| Subcategory | Communication & Networking ICs | Communication & Networking ICs | Development Tools |
| Supply Voltage Max | 3.6 V | 3.6 V | - |
| Supply Voltage Min | 3 V | 3 V | - |
| Unit Weight | 0.007478 oz | 0.007478 oz | - |