Si5518B

NetSync™ Low Phase Noise Jitter Attenuating Clock for 5G/eCPRI/SyncE/IEEE

The Si5518B NetSync™ Network Synchronizer Clock utilizes fifth-generation DSPLL® and MultiSynth™ technologies and combines the functions of a SyncE/IEEE 1588 PTP network synchronizer clock with a low phase noise 5G/eCPRI wireless jitter attenuator supporting JESD204B/C into a single IC device.

The Si5518B is optimized for 5G wireless applications which demand the highest level of integration and phase noise performance with low power consumption that reduces the total solution cost. This highly integrated digital solution eliminates external loop filter components and has high immunity to external board disturbances such as power supply noise. The DSPLL bandwidth is digitally programmable to values as low as 0.001 Hz. With phase jitter as low as 47 fs RMS, the Si5518B accepts 4/6 inputs clock ranging from 0.008 - 1000 MHz differential and PPS/PP2S, 8kHz to 250MHz for CMOS. Si5518B generates up to 18 clock outputs that are configurable in any combination of DCLK, SYSREF or other system clocks. Each output supports delay/skew adjust and frequencies ranging from PPS/PP2S up to 3200 MHz.

Applications using AMD Xilinx ZYNQ Ultrascale+ ZCU102 or ZCU216 evaluation kits are supported with Skyworks 1588 Timing Demo Design which utilizes Si5518B and Skyworks AccuTime™ IEEE 1588 software. The Skyworks AMD Xilinx Demonstration Platform solution Si5518-A-FMC-EVB is tailored to support these specific Xilinx platforms with a complete hardware and software IEEE 1588 timing solution including documentation and an ITU compliance reports. Si5518-A-FMC-EVB kit easily connects to the Xilinx eval boards and comes with the necessary hardware, cabling, software and jump-start guide to evaluate the Si5518 and AccuTime™ IEEE software solution on the Xilinx eval kit.

The Skyworks Si5518 + AccuTime IEEE 1588 timing solution also supports AMD Xilinx ZYNQ RFSoC DFE.

The Skyworks solution meets the requirements specified by ITU-T G.8262 EEC Options 1 & 2 and ITU-T G.8262.1 and ITU-T G.8273.2 (T-TSC, T-BC), ITU-T G.8273.4 (T-BC-P, T-BC-A, T-TSC-P, T-TSC-A) and G.8273.1 (T-GM). Customers should contact Xilinx for the appropriate Xilinx eval kit and Skyworks for the Si5518-A-FMC-EVB kit.

This device is supported by Skyworks AccuTime™ IEEE 1588 software.

Data Shorts Eval Kit

Support ECAD Model

Specifications

DescriptionNetwork Sync & JA Clock for IEEE 1588v2/SyncE with JESD204B/C

OPNTBD

Package TypeQFN72

Package Size (mm)10x10

4G/LTE Wireless Clockstrue

5G Clockstrue

56G SerDesfalse

Automotive Gradefalse

Clock Generatorsfalse

Clock outputs18

ControlSPI

DSPLLs4

Input Frequency Max (MHz)1000

Input Frequency Min (MHz)0.0000005

Intel x86 Clocksfalse

Jitter Attenuating Clockstrue

Jitter Recommended Range (fs)<=100

Line Impedance Match0

Loop Bandwidth Min (MHz)0.000000001

Loop Bandwidth Max (MHz)0.004

Output Format CategoriesDifferential; Single-Ended

Ouput Format(s)LVDS, S-LVDS, AC coupled LVPECL, LVCMOS, HCSL, CML

Output Frequency Domains3

Output Frequency Max3200

Output Frequency Min0.0000005

PCI Expressfalse

Phase Jitter (ps RMS)0.047

Real Time Clockfalse

Reference Inputs6

Reference TypeExternal

Spread Spectrumfalse

Standards ComplianceITU-T G.8273.2 (T-TSC, T-BC), ITU-T G.8273.4 (T-BC-P, T-BC-A, T-TSC-P, T-TSC-A), G.8262 (EEC Options 1 and 2), G.8262.1 (eEEC), and G.8273.1 (T-GM)

Synchronous Ethernet/1588true

Temperature Range Max (°C)95

Temperature Range Min (°C)-40

VDD (V)1.8; 3.3

VDDO (V)1.8; 2.5; 3.3

Wireline or Wireless ApplicationWireless

XTAL Inputtrue

Xtal Input Frequency54

AccuTime™ Supportedtrue

Product Documents

Quality and Packaging

Look up product's green / pb-free status and information on RoHS, REACH, Halogen Free, and PFIS.

Certificate of Conformance

Evaluation Kits

SI55xx-A-EVB

Si5518/12 NetSync™ Network Synchronizer Clocks and Si5510/08 Wireless Jitter Attenuator Clocks Evaluation Kit

The Si55xx-A-EVBs make it easy to move from ClockBuilder Pro device configuration to hands-on performance evaluation. Si55xx-A-EVB can be used to evaluate any Si5518/12/10/08 clocks. MSRP $850.00

cbprog-dongle

ClockBuilder Pro Field Programmer

When used with ClockBuilder Pro software, the ClockBuilder Pro Field Programmer makes it simple for systems designers to develop, program, and debug any Si5332/8, Si5350/1/6/7, Si534x/6x/8x/9x, Si540x, Si55xx, SKY6210x, SKY6310x, SKY6900x, and SKY6910x part family clock devices “in-system,” or in one of the convenient QFN or LGA sockets. The field programmer supports I2C or SPI interfaces to the host system, and SPI to the field programmer's QFN or LGA socket boards.

MSRP $149.00

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