SI53108-EK Silicon Labs

Si53108 DB800ZL 8-OUTPUT PCIE GEN 3 BUFFER/ZERO DELAY BUFFER Features Eight 0.7 V low-power, push-pull, 1.05 to 3.3 V power supply HCSL-compatible PCIe Gen 3 voltage outputs Low phase jitter (Intel QPI, PCIe Individual OE HW pins for each Gen 1/2/3/4 common clock output clock compliant 100 MHz /133 MHz PLL Gen 3 SRNS Compliant operation, supports PCIe and Industrial Temperature: QPI 40 to 85 C SMBus address is 0xD8 48-pin QFN PLL or bypass mode For higher output devices or Ordering Information: Spread spectrum tolerable variations of this device, contact See page 31. Skyworks Solutions Patents pending Applications Server Datacenter Storage Enterprise Switches and Routers Description The Si53108 is a low-power, 8-output, differential clock buffer that meets all of the performance requirements of the Intel DB800ZL specification. The device is optimized for distributing reference clocks for Intel Quick- Path Interconnect (Intel QPI), PCIe Gen1/Gen2/Gen3/Gen4, SAS, SATA, and Intel Scalable Memory Interconnect (Intel SMI) applications. The VCO of the device is optimized to support 100 MHz and 133 MHz operation. Each differential output has a dedicated hardware output enable pin for maximum flexibility and power savings. Measuring PCIe clock jitter is quick and easy with the Skyworks Solutions PCIe Clock Jit- ter Tool. Download it for free at Si53108 Functional Block Diagram OE 7:0 8 FB OUT SSC Compatible DIF 7:0 CLK IN PLL CLK IN 100M 133 Control HBW BYPASS LBW Logic PWRGD / PWRDN SDA SCL 2 Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com Rev. 1.2 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice September 2, 2021