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| PartNumber | 650R-21ILF | 650R-21I | 650R-21ILFT |
| Description | Clock Generators & Support Products SYSTEM PERIPHERAL CLOCK SOURCE | Clock Drivers & Distribution SYSTEM PERIPHERAL CLOCK SOURCE | |
| Manufacturer | IDT (Integrated Device Technology) | IDT, Integrated Device Technology Inc | IDT, Integrated Device Technology Inc |
| Product Category | Clock Generators & Support Products | Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers | Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers |
| RoHS | Y | - | - |
| Series | 650R-21 | 650R-21 | 650R-21 |
| Package / Case | QSOP-20 | - | - |
| Packaging | Tube | Tube Alternate Packaging | Tape & Reel (TR) Alternate Packaging |
| Height | 1.47 mm | - | - |
| Length | 8.7 mm | - | - |
| Width | 3.8 mm | - | - |
| Brand | IDT | - | - |
| Product Type | Clock Generators | - | - |
| Factory Pack Quantity | 55 | - | - |
| Subcategory | Clock & Timer ICs | - | - |
| Part # Aliases | 650-21 ICS650R-21ILF | 650-21 ICS650R-21ILF | 650-21 ICS650R-21ILFT |
| Unit Weight | 0.008508 oz | 0.008508 oz | 0.008508 oz |
| Type | - | Clock/Frequency Synthesizer | Clock/Frequency Synthesizer |
| Package Case | - | QSOP-20 | QSOP-20 |
| Operating Temperature | - | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | - | Surface Mount | Surface Mount |
| Voltage Supply | - | 3 V ~ 5.5 V | 3 V ~ 5.5 V |
| Supplier Device Package | - | 20-QSOP | 20-QSOP |
| PLL | - | Yes | Yes |
| Input | - | Clock, Crystal | Clock, Crystal |
| Output | - | CMOS | CMOS |
| Number of Circuits | - | 1 | 1 |
| Ratio InputOutput | - | 1899/12/30 1:08:00 | 1899/12/30 1:08:00 |
| Differential InputOutput | - | No/No | No/No |
| Frequency Max | - | 66.67MHz | 66.67MHz |
| Divider Multiplier | - | No/No | No/No |