The 9SQ445 is a CK440Q Lite clock synthesizer for newer Intel-based server platforms. The 9SQ445 is a single-chip, PCIe Gen6 compliant device. It is designed to work as a complete clock solution, or in combination, with DB2000Q-compliant or other clock buffers to provide point-to-point clocks to multiple receiving agents.
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
Pkg. Type |
Lead Count (#) |
Temp. Range |
Output Impedance |
Pb (Lead) Free |
Carrier Type |
Moisture Sensitivity Level (MSL) |
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Part Number | ||||||||
9SQ445NDGI circleActive Samples Available |
VFQFPN | 40 | -40 to 85°C | 85 | Yes | Tray | 3 | Get Samples, |
VFQFPN | 40 | -40 to 85°C | 85 | Yes | Reel | 3 |
This video provides a brief comparison of PCIe Gen3-6 common clock jitter filters vs. a typical 12k to 20MHz jitter filter plot. The tutorial explains what noise frequencies PCIe Gen6 is most sensitive to, and why it's important to minimize jitter in the 1MHz to 50MHz region. Presented by Ron Wade, system architect at Renesas. For more information about Renesas’ PCIe timing solutions, visit renesas.com/pcietiming
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Future-proof Your PCIe® Designs | Blog Post | Apr 14, 2022 |
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Solving Common Issues with Respect to PCIe Timing Design on the Modern Server System | Blog Post | Apr 14, 2022 |
Renesas Expands Data Center Solutions Portfolio with Industry’s First CK440Q-Compliant Clock Generator for PCIe Gen5 and Beyond | News | Feb 4, 2021 | |
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Comparing and Contrasting PCIe and Ethernet Clock Jitter Specifications | Blog Post | May 22, 2018 |
IDT Extends Leadership in Datacenter and Networking Systems with Launch of Its Latest PCI Express Timing Devices | News | Apr 30, 2018 |