| PartNumber | 849N212CKI-004LFT | 849N212CKI-004LF | 849N212CKI-005LF |
| Description | Clock Synthesizer / Jitter Cleaner Frequency Translator IC | Clock Synthesizer / Jitter Cleaner Frequency Translator IC | Clock Synthesizer / Jitter Cleaner Frequency Translator IC |
| Manufacturer | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) |
| Product Category | Clock Synthesizer / Jitter Cleaner | Clock Synthesizer / Jitter Cleaner | Clock Synthesizer / Jitter Cleaner |
| RoHS | Y | Y | Y |
| Series | 849N212I | 849N212I | 849N212I |
| Number of Outputs | 2 Output | 2 Output | 2 Output |
| Output Level | LVCMOS, LVDS, LVPECL | LVCMOS, LVDS, LVPECL | LVCMOS, LVDS, LVPECL |
| Max Output Freq | 250 MHz | 250 MHz | 250 MHz |
| Input Level | HCSL, LVDS, LVHSTL, LVPECL | HCSL, LVDS, LVHSTL, LVPECL | HCSL, LVDS, LVHSTL, LVPECL |
| Maximum Input Frequency | 710 MHz | 710 MHz | 710 MHz |
| Supply Voltage Max | 3.465 V | 3.465 V | 3.465 V |
| Supply Voltage Min | 3.135 V | 3.135 V | 3.135 V |
| 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 | VFQFN-40 | VFQFPN-40 | VFQFN-40 |
| Packaging | Reel | Tube | Tray |
| Brand | IDT | IDT | IDT |
| Operating Supply Current | 280 mA | 280 mA | 280 mA |
| Product Type | Clock Synthesizer / Jitter Cleaner | Clock Synthesizers / Jitter Cleaners | Clock Synthesizers / Jitter Cleaners |
| Factory Pack Quantity | 1000 | 490 | 490 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Tradename | FemtoClock | FemtoClock | FemtoClock |
| Height | - | 0.9 mm | - |
| Length | - | 6 mm | - |
| Width | - | 6 mm | - |
| Moisture Sensitive | - | Yes | - |
| Part # Aliases | - | 849N212I | - |