Si52212/Si52208/Si52204/Si52202 Data Sheet 12/8/4/2-Output PCI-Express Gen 1/2/3/4/5 and SRIS Clock KEY FEATURES Generator 12/8/4/2-output low-power, push-pull HCSL The Si52212/08/04/02 are the industry s highest performance and lowest power PCI compatible PCI-Express Gen 1, Gen 2, Express clock generator family for 1.51.8 V PCIe Gen 1/2/3/4/5 and SRIS applications. Gen 3, Gen 4, Gen 5, and SRIS-compliant The Si52212, Si52208, and Si52204 can source twelve, eight, and four 100 MHz PCIe outputs differential clock outputs, respectively, plus one 25 MHz LVCMOS reference clock out- Low jitter: 0.13 ps rms max, Gen 5 put. The Si52202 can source two 100 MHz PCIe clock outputs only. All differential clock Individual hardware control pins and outputs are compliant to PCIe Gen1/2/3/4/5 common clock and separate reference clock 2 I C controls for Output Enable, Spread architectures specifications. Spectrum Enable and Frequency Select The Si52212/08/04/02 feature individual hardware control pins for enabling and disa- Triangular spread spectrum for EMI reduction, down spread 0.25% or 0.5% bling each output, spread spectrum enable/disable for EMI reduction, and frequency select to select 100, 133, or 200 MHz differential output frequencies. These features can Internal 100 or 85 line matching 2 also be controlled via I C. Adjustable output slew rate Power down (PWRDNb) function supports The small footprint and low power consumption make this family of PCIe clock genera- Wake-on LAN (except Si52202) tors ideal for industrial and consumer applications. One non-spread, LVMCOS reference clock output (except Si52202) For more information about PCI-Express, Skyworks complete PCIe portfolio, application Frequency Select to select 133 MHz or notes, and design tools, including the Skyworks PCIe Clock Jitter Tool for PCI-Express 200 MHz (except Si52202) compliance, please visit the Skyworks PCI Express Learning Center. 25 MHz crystal input or clock input Applications 2 I C support with readback capabilities Servers Extended temperature: 40 to 85 C Storage 1.51.8 V power supply, with separate Data Centers VDD and VDD IO Small QFN packages PCIe Add-on Cards Pb-free, RoHS-6 compliant Network Interface Cards (NIC) Graphics Adapter Cards Multi-function Printers Digital Single-Lens Reflex (DSLR) Cameras Digital Still Cameras Digital Video Cameras Docking Stations Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 1 Rev. 1.0 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice December 2, 2021 1Data Sheet Feature List 1. Feature List 12/8/4/2-output 100 MHz PCIe Gen 1/2/3/4/5 and SRIS compliant clock generator, with push-pull HCSL output drivers High port count with push-pull HCSL outputs to support highly integrated solution, eliminating external resistors for the HCSL output drivers Low jitter of 0.13 ps rms max to meet PCIe Gen5 specifications with design margin Low power consumption. Lowest power consumption in the industry for a 2-output PCIe clock generator 2 Individual hardware control pins and I C controls for Output Enable, Spread Spectrum Enable and Frequency Select Output Enable function easily disables unused outputs for power saving Spread Enable function to turn on/off spread spectrum and to select spread levels, either down spread 0.25% or 0.5% Frequency Select function to select output frequency of 100 MHz, 133 MHz, or 200 MHz (except Si52202 where the output frequency is limited to 100 MHz. Please contact Skyworks for 133 MHz or 200 MHz in Si52202) 2 All above functions are controlled by individual hardware pins or I C Internal 100 or 85 impedance matching Eliminates external line matching resistor to reduce board space Adjustable slew rate to improve signal quality for different applications and board designs Power down (PWRDNb) function supports Wake-on LAN (except Si52202) One non-spread, 25 MHz LVMCOS reference clock output (except Si52202) A buffered 25 MHz LVCMOS clock output to drive ASICS or SoCs on board 25 MHz reference input Supports a standard crystal or clock input for flexibility 2 I C support with readback capabilities 1.51.8 V power supply with separate VDD and VDD IO (1.05 to 1.8 V) Temperature range: 40 C to 85 C Small QFN packages to optimize board space. Smallest 2-output PCIe clock generator in the industry 64-pin QFN (9 x 9 mm) : 12-output 48-pin QFN (6 x 6 mm) : 8-output 32-pin QFN (5 x 5 mm) : 4-output 20-pin QFN (3 x 3 mm) : 2-output Pb-free, RoHS-6 compliant Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 2 Rev. 1.0 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice December 2, 2021 2