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: | NDG28 |
| Lead Count (#): | 28 |
| Pkg. Dimensions (mm): | 4.0 x 4.0 x 0.9 |
| Pitch (mm): | 0.4 |
| Moisture Sensitivity Level (MSL) | 1 |
| Pb (Lead) Free | Yes |
| ECCN (US) | EAR99 |
| HTS (US) | 8542.39.0090 |
| Pkg. Type | VFQFPN |
| Lead Count (#) | 28 |
| Carrier Type | Reel |
| Moisture Sensitivity Level (MSL) | 1 |
| Qty. per Reel (#) | 2500 |
| Qty. per Carrier (#) | 0 |
| Pb (Lead) Free | Yes |
| Pb Free Category | e3 Sn |
| Temp. Range (°C) | -40 to 105°C |
| Country of Assembly | TAIWAN |
| Country of Wafer Fabrication | SINGAPORE |
| Additive Phase Jitter Typ RMS (fs) | 42.8 |
| Adjustable Phase | No |
| Advanced Features | Flexible Power Sequencing, Loss of Signal Indicator, Power Down Tolerant, Automatic Clock Parking, SMBus Write Protection, Selectable Output Amplitude |
| App Jitter Compliance | PCIe Gen1, PCIe Gen2, PCIe Gen3, PCIe Gen4, PCIe Gen5, PCIe Gen6, PCIe Gen7 |
| Architecture | Common, SRNS, SRIS |
| Channels (#) | 2 |
| Core Voltage (V) | 1.8 |
| Diff. Inputs | 1 |
| Diff. Output Signaling | LP-HCSL |
| Diff. Outputs | 4 |
| Family Name | RC193 |
| Function | Multiplexer |
| Input Freq (MHz) | 1 - 400 |
| Input Type | LVDS, HCSL |
| Inputs (#) | 1 |
| Length (mm) | 4 |
| MOQ | 2500 |
| Output Banks (#) | 2 |
| Output Enable (OE) Pins | 4 |
| Output Freq Range (MHz) | 1 - 400 |
| Output Impedance | 34, 85, 100 |
| Output Skew (ps) | 14 |
| Output Type | LP-HCSL |
| Output Voltage (V) | 0.8 |
| Outputs (#) | 4 |
| Pitch (mm) | 0.4 |
| Pkg. Dimensions (mm) | 4.0 x 4.0 x 0.9 |
| Power Consumption Typ (mW) | 391 |
| Product Category | PCI Express Clocks |
| Prog. Interface | SMBus |
| Reel Size (in) | 13 |
| Supply Voltage (V) | 1.8 - 1.8 |
| Tape & Reel | Yes |
| Thickness (mm) | 0.9 |
| VOUT Slew-rate Control | Yes |
| Width (mm) | 4 |
The RC19304 is a 2:4 PCIe Gen7 multiplexer that is backward compatible with earlier PCIe generations. The RC19304 provides ultra-low additive jitter and reduced in-to-out delay performance for better design margin and incorporates several features for easier and more robust design.