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Miniature PCIe clock generators tout very small footprint, low power

Tue, 05/28/2013 - 11:30am

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PCIe clockSilicon Labs has expanded its PCI Express (PCIe) timing solution portfolio with new one- and two-output PCIe clock generators that are said to offer the smallest footprint and lowest power in the market. Designed to meet the stringent specifications of the PCIe Generation 1/2/3 standards, the Si52111 and Si52112 clock generator ICs target high-volume consumer, embedded, communications and enterprise applications where board space, power consumption and system cost are critical concerns. Addressing the small form factor requirements of these consumer applications, the Si5211x clocks are available in a 3-mm x 3-mm 10-pin TDFN package . These ultra-low-power clock generators offer up to eight times lower current consumption (less than 15 mA) than competing devices, according to the company, making it easier for designers to meet green power regulations while enhancing system reliability. The devices also meet PCIe jitter requirements with up to 50 percent margin, enabling a lower bit error rate to further improve reliability. The Si5211x clock generators use a special push-pull output buffer technology and integrate all termination and reference resistors on chip.

Silicon Laboratories, www.silabs.com

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