Overview
Description
The 9FGV1008 is a member of Renesas' PhiClock™ programmable clock generator family. The 9FGV1008 provides one integer frequency, one copy of a fractional or spread spectrum output frequency, and one copy of the crystal reference input. Two select pins allow for hardware selection of the desired configuration, or two I2C bits allow easy software selection of the desired configuration. The user may configure any one of the four OTP configurations as the default when operating in I2C mode. Four unique I2C addresses are available, allowing easy I2C access to multiple components.
Features
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PCIe Gen1–4 compliant
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224fs RMS typical phase jitter at 156.25MHz (12kHz–20MHz)
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2 programmable output pairs plus 1 LVCMOS REF output
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1 integer and 1 fractional or spread-spectrum output per configuration
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1MHz–325MHz integer outputs (LVDS or LP-HCSL)
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1MHz–200MHz integer outputs (LVCMOS)
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1.8V to 3.3V core VDD
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Individual 1.8V to 3.3V VDDO for each programmable output pair
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Supports HCSL, LVDS and LVCMOS I/O standards
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Supports AC-coupled LVPECL and CML logic – see AN-891
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3 × 3 mm 16-LGA packages with 50MHz integrated crystal option
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Supported by Timing Commander™ software
Comparison
Applications
Design & Development
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Models
ECAD Models
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.
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Videos & Training
PCIe Reference Clock Jitter Budgets
Ron Wade, chief PCIe system architect explains the fundamental difference in reference clock jitter budgets between the first three generations of the specification and those of Gen4 and Gen5 which raise new challenges for designers.
Related Resources
Video List
News & Blog Posts
| Solving Common Issues with Respect to PCIe Timing Design on the Modern Server System | Blog Post | Apr 14, 2022 |
| Faster Timing Design and Accurate Performance Testing with Jitter Measurement Utility | Blog Post | Jun 15, 2019 |
| 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 |