Renesas’ Timing product portfolio has been acquired by SiTime.
Datasheets, documentation, and sample orders remain available on Renesas.com through late 2026. For new designs, purchasing, support, and product inquiries, visit SiTime.com or send an email to [email protected]. Full transition to SiTime is expected by late 2026.
| CAD Model: | View CAD Model |
| Pkg. Type: | VFQFPN |
| Pkg. Code: | NLG32 |
| Lead Count (#): | 32 |
| Pkg. Dimensions (mm): | 5.0 x 5.0 x 0.9 |
| Pitch (mm): | 0.5 |
| Pb (Lead) Free | Yes |
| ECCN (US) | EAR99 |
| HTS (US) | 8542.39.0090 |
| Moisture Sensitivity Level (MSL) | 3 |
| Lead Count (#) | 32 |
| Pb (Lead) Free | Yes |
| Carrier Type | Tray |
| Core Voltage (V) | 2.5 |
| Feedback Input | No |
| Input Freq (MHz) | 25 - 25 |
| Input Type | Crystal, LVCMOS |
| Inputs (#) | 2 |
| Length (mm) | 5 |
| MOQ | 490 |
| Moisture Sensitivity Level (MSL) | 3 |
| Output Banks (#) | 2 |
| Output Freq Range (MHz) | 25 - 25, 125 - 125 |
| Output Skew (ps) | 50 |
| Output Type | LVCMOS, LVDS |
| Output Voltage (V) | 2.5 |
| Outputs (#) | 8 |
| Package Area (mm²) | 25 |
| Pb Free Category | e3 Sn |
| Phase Jitter Typ RMS (ps) | 0.34 |
| Pitch (mm) | 0.5 |
| Pkg. Dimensions (mm) | 5.0 x 5.0 x 0.9 |
| Pkg. Type | VFQFPN |
| Product Category | FemtoClock |
| Prog. Clock | No |
| Qty. per Carrier (#) | 490 |
| Qty. per Reel (#) | 0 |
| Reference Output | No |
| Requires Terms and Conditions | Does not require acceptance of Terms and Conditions |
| Spread Spectrum | No |
| Tape & Reel | No |
| Temp. Range (°C) | 0 to 70°C |
| Thickness (mm) | 0.9 |
| Width (mm) | 5 |
The 8440258-46 is an 8-output synthesizer optimized to generate Ethernet clocks. The device will generate 125MHz and 25MHz clocks from a 25MHz crystal with a very good jitter performance. The 8440258-46 uses Renesas' third-generation low phase noise VCO technology and is packaged in a small, 5mm x 5mm VFQFN package.