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 SalesClocks@sitime.com. Full transition to SiTime is expected by late 2026.
| CAD Model: | View CAD Model |
| Pkg. Type: | TSSOP |
| Pkg. Code: | PGG20 |
| Lead Count (#): | 20 |
| Pkg. Dimensions (mm): | 6.5 x 4.4 x 1.0 |
| Pitch (mm): | 0.65 |
| Moisture Sensitivity Level (MSL) | 1 |
| Pb (Lead) Free | Yes |
| ECCN (US) | EAR99 |
| HTS (US) | 8542.39.0090 |
| Lead Count (#) | 20 |
| Carrier Type | Tube |
| Moisture Sensitivity Level (MSL) | 1 |
| Qty. per Reel (#) | 0 |
| Qty. per Carrier (#) | 74 |
| Pb (Lead) Free | Yes |
| Pb Free Category | e3 Sn |
| Temp. Range (°C) | -40 to 85°C |
| Country of Assembly | TAIWAN |
| Country of Wafer Fabrication | SINGAPORE |
| Accepts Spread Spec Input | Yes |
| App Jitter Compliance | PCIe Gen1 |
| Architecture | Common |
| Core Voltage (V) | 3.3 |
| Diff. Input Signaling | HCSL |
| Diff. Inputs | 2 |
| Diff. Output Signaling | HCSL |
| Diff. Outputs | 4 |
| Diff. Termination Resistors | 16 |
| Function | Multiplexer |
| Input Freq (MHz) | 200 |
| Input Type | HCSL |
| Inputs (#) | 2 |
| Length (mm) | 6.5 |
| MOQ | 148 |
| Output Banks (#) | 1 |
| Output Freq Range (MHz) | 200 |
| Output Skew (ps) | 50 |
| Output Type | HCSL, LVDS |
| Output Voltage (V) | 3.3 |
| Outputs (#) | 4 |
| PLL | No |
| Package Area (mm²) | 28.6 |
| Pitch (mm) | 0.65 |
| Pkg. Dimensions (mm) | 6.5 x 4.4 x 1.0 |
| Pkg. Type | TSSOP |
| Power Consumption Typ (mW) | 264 |
| Price (USD) | $3.91162 |
| Product Category | Clock Buffers & Drivers, Clock Multiplexers, 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 |
| Width (mm) | 4.4 |
The 557-06 is a two to four differential clock mux designed for use in PCI-Express applications. The device selects one of the two differential HCSL input pairs and fans out to four pairs of differential HCSL or LVDS outputs.