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: | NLG64 |
| Lead Count (#): | 64 |
| Pkg. Dimensions (mm): | 9.0 x 9.0 x 0.9 |
| Pitch (mm): | 0.5 |
| Pb (Lead) Free | Yes |
| ECCN (US) | EAR99 |
| HTS (US) | 8542.39.0090 |
| RoHS (9LPRS477DKLF) | EnglishJapanese |
| Moisture Sensitivity Level (MSL) | 3 |
| Pkg. Type | VFQFPN |
| Lead Count (#) | 64 |
| Pb (Lead) Free | Yes |
| Carrier Type | Tray |
| App Jitter Compliance | PCIe Gen1, PCIe Gen2 |
| C-C Jitter Max P-P (ps) | 85 |
| Chipset Manufacturer | AMD, ATI |
| Chipset Name | RS780, RS790, RD790, RS880 |
| Core Voltage (V) | 3.3 |
| Die Form | No |
| Diff. Output Signaling | HCSL |
| Freq. Accuracy Init. (± PPM) | 100 |
| Input Freq (MHz) | 14.32 - 14.32 |
| Lead Compliant | No |
| Length (mm) | 9 |
| MOQ | 207 |
| Moisture Sensitivity Level (MSL) | 3 |
| Output Freq Range (MHz) | 14.318 - 355 |
| Output Skew (ps) | 100 |
| Output Voltage (V) | 3.3V, 0.7V |
| Outputs (#) | 21 |
| PCIe Generation | Gen1, Gen2 |
| Package Area (mm²) | 81 |
| Pb Free Category | e3 Sn |
| Phase Jitter Max RMS (ps) | 3.1 |
| Pitch (mm) | 0.5 |
| Pkg. Dimensions (mm) | 9.0 x 9.0 x 0.9 |
| Price (USD) | $4.24894 |
| Qty. per Carrier (#) | 207 |
| Qty. per Reel (#) | 0 |
| Reference Output | Yes |
| Requires Terms and Conditions | Does not require acceptance of Terms and Conditions |
| Spread Spectrum | Yes |
| Supply Voltage (V) | 3.3 - 3.3 |
| Tape & Reel | No |
| Temp. Range (°C) | 0 to 70°C |
| Thickness (mm) | 0.9 |
| Width (mm) | 9 |
| Xtal Freq (MHz) | 14.318 - 14.318 |
| Xtal Inputs (#) | 1 |
The 9LPRS477 is a main clock synthesizer chip that provides all clocks required for ATI RD7xx-based systems using AMD processors. An SMBus interface allows full control of the device.