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| PartNumber | SI52142-A01AGM | SI52142-A01AGMR | SI52143-A01AGM |
| Description | Clock Generators & Support Products 2-output PCIe Gen 1/2/3 clock generator with 25 MHz reference | Clock Generators & Support Products 2-output PCIe Gen 1/2/3 clock generator with 25 MHz reference | Clock Generators & Support Products 4-output PCIe Gen 1/2/3 clock generator with 25 MHz reference |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories |
| Product Category | Clock Generators & Support Products | Clock Generators & Support Products | Clock Generators & Support Products |
| RoHS | Y | Y | Y |
| Series | SI52142 | SI52142 | SI52143 |
| Type | Clock Generators | Clock Generators | Clock Generators |
| Maximum Input Frequency | 200 MHz | 25 MHz | 200 MHz |
| Max Output Freq | 100 MHz | 100 MHz | 100 MHz |
| Number of Outputs | 2 Output | 2 Output | 4 Output |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-24 | QFN-24 | QFN-24 |
| Packaging | Tray | Reel | Tray |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Jitter | 50 % | 250 ps | 0.5 |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | Clock Generators | Clock Generators | Clock Generators |
| Factory Pack Quantity | 490 | 2500 | 490 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Unit Weight | 0.032741 oz | 0.032741 oz | 0.032741 oz |
| Duty Cycle Max | - | 55 % | - |
| Operating Supply Voltage | - | 3.3 V | - |
| Operating Supply Current | - | 40 mA | - |