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: | SSOP |
| Pkg. Code: | PYG28 |
| Lead Count (#): | 28 |
| Pkg. Dimensions (mm): | 10.2 x 5.3 x 1.73 |
| Pitch (mm): | 0.65 |
| Moisture Sensitivity Level (MSL) | 1 |
| Pb (Lead) Free | Yes |
| ECCN (US) | EAR99 |
| HTS (US) | 8542.39.0090 |
| Lead Count (#) | 28 |
| Carrier Type | Tube |
| Moisture Sensitivity Level (MSL) | 1 |
| Qty. per Reel (#) | 0 |
| Qty. per Carrier (#) | 47 |
| Package Area (mm²) | 54.1 |
| Pkg. Dimensions (mm) | 10.2 x 5.3 x 1.73 |
| Pb (Lead) Free | Yes |
| Pb Free Category | e3 Sn |
| Temp. Range (°C) | 0 to 70°C |
| Accepts Spread Spec Input | Yes |
| Advanced Features | HW PLL mode control |
| App Jitter Compliance | PCIe Gen1, PCIe Gen2, QPI |
| Architecture | Common |
| C-C Jitter Max P-P (ps) | 50 |
| C-C Jitter Typ P-P (ps) | 25 |
| Chipset Manufacturer | Intel |
| Chipset Name | Blackford, Clarksboro, Greencreek, Lindenhurst, Twincastle, San Clemente, Seaburg, Tylersburg |
| Clock Spec. | DB400Q |
| Core Voltage (V) | 3.3 |
| Diff. Input Signaling | HCSL |
| Diff. Inputs | 1 |
| Diff. Output Signaling | HCSL |
| Diff. Outputs | 4 |
| Diff. Termination Resistors | 16 |
| Feedback Input | No |
| Input Freq (MHz) | 50 - 133.33 |
| Input Type | HCSL |
| Inputs (#) | 1 |
| Length (mm) | 10.2 |
| MOQ | 188 |
| Multiplication Value | 1 |
| Output Banks (#) | 1 |
| Output Freq Range (MHz) | 50 - 133.33 |
| Output Skew (ps) | 50 |
| Output Type | HCSL |
| Output Voltage (V) | 0.8 |
| Outputs (#) | 4 |
| PLL | Yes |
| Pitch (mm) | 0.65 |
| Pkg. Type | SSOP |
| Platform Name | Bensley, Caneland, Glidewell, Lindenhurst, Truland, Stoakley, Thurley, Cranberry Lake |
| Power Consumption Typ (mW) | 317 |
| Product Category | PCI Express Clocks |
| Prog. Clock | No |
| Requires Terms and Conditions | Does not require acceptance of Terms and Conditions |
| Supply Voltage (V) | 3.3 - 3.3 |
| Tape & Reel | No |
| Thickness (mm) | 1.73 |
| Width (mm) | 5.3 |
The 9DB423 is compatible with the Intel DB400Q Differential Buffer Specification. This buffer provides 4 PCI-Express SRC or 4 QPI clocks. The 9DB423 is driven by a differential output pair from a CK410B+ or CK509B main clock generator.