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: | NDG40 |
| Lead Count (#): | 40 |
| Pkg. Dimensions (mm): | 5.0 x 5.0 x 0.9 |
| Pitch (mm): | 0.4 |
| Moisture Sensitivity Level (MSL) | 3 |
| Pb (Lead) Free | Yes |
| ECCN (US) | EAR99 |
| HTS (US) | 8542.39.0090 |
| Lead Count (#) | 40 |
| Carrier Type | Reel |
| Moisture Sensitivity Level (MSL) | 3 |
| Qty. per Reel (#) | 2500 |
| Qty. per Carrier (#) | 0 |
| Pb (Lead) Free | Yes |
| Pb Free Category | e3 Sn |
| Temp. Range (°C) | 0 to 70°C |
| Advanced Features | Spread Spectrum, Reference Output |
| App Jitter Compliance | PCIe Gen1, PCIe Gen2, PCIe Gen3 |
| Architecture | Common |
| C-C Jitter Max P-P (ps) | 50 |
| Core Voltage (V) | 1.5 |
| Diff. Output Signaling | LP-HCSL |
| Diff. Outputs | 6 |
| Diff. Termination Resistors | 12 |
| Function | Generator |
| Input Freq (MHz) | 25 - 25 |
| Input Type | Crystal, LVCMOS |
| Inputs (#) | 1 |
| Length (mm) | 5 |
| MOQ | 2500 |
| Output Freq Range (MHz) | 25 - 25, 100 - 100 |
| Output Impedance | 33 |
| Output Skew (ps) | 50 |
| Output Type | LP-HCSL, LVCMOS |
| Output Voltage (V) | 0.8V, 1.5V |
| Outputs (#) | 7 |
| PLL | Yes |
| Package Area (mm²) | 25 |
| Pitch (mm) | 0.4 |
| Pkg. Dimensions (mm) | 5.0 x 5.0 x 0.9 |
| Pkg. Type | VFQFPN |
| Power Consumption Typ (mW) | 45 |
| Product Category | PCI Express Clocks |
| Prog. Clock | No |
| Reel Size (in) | 13 |
| Reference Output | Yes |
| Requires Terms and Conditions | Does not require acceptance of Terms and Conditions |
| Spread Spectrum | Yes |
| Supply Voltage (V) | 1.5 - 1.5 |
| Tape & Reel | Yes |
| Thickness (mm) | 0.9 |
| Width (mm) | 5 |
| Xtal Freq (MHz) | 25 - 25 |
| Xtal Inputs (#) | 1 |
The 9FGU0631 is a member of IDT's 1.5 V Ultra-Low-Power PCIe clock family. The device has 6 output enables for clock management, 2 different spread spectrum levels in addition to spread off, and 2 selectable SMBus addresses.