PCI Express reference clocks

30 April 2008 Telecoms, Datacoms, Wireless, IoT

IDT has announced optimised PCI Express (PCIe) Gen2-based timing solutions designed as companions to its portfolio of PCIe-based switching solutions. The 9FG104D generator can be driven with either a 14,318 MHz or 25 MHz crystal to provide four PCIe Gen2 reference clocks, while an eight output version (9FG108D) is available for larger applications such as servers. Both devices are not only Gen2 compliant, but are backward compatible to the PCIe Gen1 specification. For added flexibility, they are completely configurable through hardware pins or through an SMBus interface and offer both spread-spectrum and non spread-spectrum options. The 9FG104D is available in 28-pin SSOP or TSSOP packaging options, and the IDT 9FG108D is available in 48-pin SSOP or TSSOP packaging options. Both devices are also available in the -40°C to 85°C industrial temperature range.

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