| PartNumber | 8440259AK-45LF | 8440259AK-05LF | 8440259AK-05LFT |
| Description | Clock Synthesizer / Jitter Cleaner 9LVDS/LVCMOS OUTPUT FEMTO | Clock Synthesizer / Jitter Cleaner 9LVDS/LVCMOS OUTPUT FEMTO | IC SYNTHESIZER 9OUTPUT 32-VFQFPN |
| Manufacturer | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) | IDT, Integrated Device Technology Inc |
| Product Category | Clock Synthesizer / Jitter Cleaner | Clock Synthesizer / Jitter Cleaner | Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers |
| RoHS | Y | Y | - |
| Series | 8440259-45 | 8440259-05 | FemtoClockR |
| Package / Case | VFQFPN-32 | VFQFPN-32 | - |
| Packaging | Tube | Tube | Tape & Reel (TR) |
| Height | 1 mm | 1 mm | - |
| Length | 5 mm | 5 mm | - |
| Width | 5 mm | 5 mm | - |
| Brand | IDT | IDT | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | Clock Synthesizers / Jitter Cleaners | Clock Synthesizers / Jitter Cleaners | - |
| Factory Pack Quantity | 490 | 490 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | - |
| Tradename | FemtoClock | FemtoClock | - |
| Part # Aliases | 8440259-45 ICS8440259AK-45LF | 8440259-05 ICS8440259AK-05LF | - |
| Type | - | - | Frequency Synthesizer |
| Package Case | - | - | 32-VFQFN Exposed Pad |
| Operating Temperature | - | - | 0°C ~ 70°C |
| Mounting Type | - | - | Surface Mount |
| Voltage Supply | - | - | 3.135 V ~ 3.465 V |
| Supplier Device Package | - | - | 32-VFQFPN (5x5) |
| PLL | - | - | Yes with Bypass |
| Input | - | - | LVCMOS, LVTTL, Crystal |
| Output | - | - | LVCMOS, LVDS, LVTTL |
| Number of Circuits | - | - | 1 |
| Ratio InputOutput | - | - | 1899/12/30 2:09:00 |
| Differential InputOutput | - | - | No/Yes |
| Frequency Max | - | - | 125MHz |
| Divider Multiplier | - | - | Yes/No |