Mouser Electronics, Inc., the authorized global distributor with the newest semiconductors and electronic components, is now stocking the Si522xx PCIe clock generators from Silicon Labs. This new family of clock generators is compliant with all current versions of PCI Express® (PCIe®), including PCIe Gen 4 and Separate Reference Independent Spread (SRIS) standards, delivering exceptional jitter performance of just 0.4 picoseconds RMS. The family’s wide-ranging applications include servers, storage, network interface cards, data centers, digital cameras, and docking stations.
The Silicon Labs Si522xx PCIe clock generators, available from Mouser Electronics, use low-power push-pull output buffer technology to limit power consumption, reduce package size, and eliminate the need for external terminating resistors in High Speed Current Steering Logic (HCSL) outputs. The devices’ internal power filtering reduces component count, saving around 30 percent of board space compared to similar products.
The Si52212, Si52208, and Si52204 devices can source twelve, eight, and four 100 MHz PCIe differential clock outputs, respectively, plus one 25 MHz LVCMOS reference clock output, while the Si52202 can source two 100 MHz PCIe clock outputs only. All of the Si522xx devices feature individual hardware control pins for enabling and disabling each output, spread spectrum enable/disable for EMI reduction, and frequency selection for 133 MHz or 200 MHz differential output frequencies. These features can also be controlled via I2C.
The Si522xx clock generators are supported by the Silicon Labs Si52204-EVB evaluation board, which allows engineers to evaluate the four-output Si52204 clock generator. The board features I2C port access, plus jumpers and SMA connectors for easy static configuration of the control inputs and selector switches for selecting the voltage for both core and IO supplies.
To learn more about the Si522xx clock generators and Si52204-EVB, visit https://www.mouser.com/silabs-si522xx-clock-generators/.
With its broad product line and unsurpassed customer service, Mouser strives to empower innovation among design engineers and buyers by delivering advanced technologies. Mouser stocks the world’s widest selection of the latest semiconductors and electronic components for the newest design projects. Mouser Electronics’ website is continually updated and offers advanced search methods to help customers quickly locate inventory. Mouser.com also houses data sheets, supplier-specific reference designs, application notes, technical design information, and engineering tools.
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