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Silicon Labs Timing Portfolio

Explore the Silicon Labs Timing Portfolio

Silicon Labs offers the industry’s broadest portfolio of crystal oscillator, clock generator, clock buffer, and jitter attenuator products and PCI Express (PCIe) clock generators and PCI Express buffers. Silicon Labs’ patented technology combines best-in-class frequency flexibility with the lowest jitter in the industry, delivering quick-turn, customized solutions that simplify board design, eliminate discrete components, and maximize system performance.

  • Clocks
  • Oscillators
  • Buffers
  • Timing Design Tools

Clocks

Silicon Labs clocks generators produce any combination of output frequencies from any input frequency, simplifying clock synthesis and minimizing the number of timing components needed. These clock generators provide industry-leading jitter performance and functional integration and can be customized for any application.

See Silicon Labs Featured Clocks Below

Si5332

Si5332 Low-Jitter Clock Generators

The Si5332 Any-Frequency clock generator provides the highest level of integration available, enabling complete clock tree consolidation in 10/25/100G data center, communications, and industrial applications. With an output frequency range of up to 333.33 MHz, the device features jitter performance of 190 fs TYP, low power consumption (<300 mA for 6 outputs), and is offered in 6/8/12-output options.

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Si5391A

Si5391A Ultra-Low-Jitter, 12-Output, Any-Frequency, Any Output, Clock Generators

The any-frequency, any-output Si5391 clock generators combine a wide-band PLL with proprietary MultiSynth™ fractional synthesizer technology to offer a versatile and high performance clock generator platform.

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Si5338

Si5338A/C General Purpose Clock Generators

The Si5338 is a high-performance, low-jitter clock generator capable of synthesizing any frequency on each of the device's four output drivers. This timing IC is capable of replacing up to four different frequency crystal oscillators or operating as a frequency translator.

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Si52212

Si52212-A01 PCIe 12-Output Clock Generator

The Si52212-A01 12-output PCIe Gen1 Clock Generator provides industry-leading jitter performance, compliance with PCI Express (PCIe) Gen 1/2/3/4/5 requirements, outstanding frequency flexibility and configurable AC parameters for signal integrity optimization.

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Si5341A

Si5341A Ultra-Low-Jitter Clock Generators with 10-Outputs and Integer and Fractional Frequency Synthesis Modes

The Si5341A ultra-low-jitter clock generator supports 10 outputs and has a maximum frequency output of 1028 MHz. The device provides integer and fractional frequency synthesis modes, 4 reference inputs and has a phase jitter of 0.09 ps.

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Si5345A

Si5345A Clock Jitter Attenuator, Jitter Cleaner

The Si5345A 10-output, high-performance jitter attenuator combines fourth-generation DSPLL and MultiSynth™ technologies to enable any-frequency clock generation and jitter attenuation for applications requiring the highest level of jitter performance.

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Si5395A

Si5395A 12-Output, High-Performance Jitter Attenuator

The Si5395A 12-output, ultra-high performance jitter attenuator combines fourth-generation DSPLL and MultiSynth™ technologies to enable any-frequency clock generation and jitter attenuation for applications like 56G PAM4 SerDes requiring the highest level of jitter performance.

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Silicon Labs' Evaluation Boards

Part Number Description View Details
SI5391A-A-EVB Si5391A Clock Generator Timing Evaluation Board View Details
SI5332-12EX-EVB Si5332 Clock Generator Timing Evaluation Board View Details
SI5338-EVB Si5338 Clock Generator Timing Evaluation Board View Details
SI52204-EVB Si522xx Clock Generator Timing Evaluation Board View Details
SI5341-D-EVB Si5341 Clock Generator Timing Evaluation Board View Details
SI5345-D-EVB Si5345 Clock Multiplier Timing Evaluation Board View Details
SI5395A-A-EVB Si5395A PLL Timing Evaluation Board View Details

Silicon Labs' Clocks

Part Number Description View Details
Si5391A Ultra-low jitter, 12-output, any-frequency, any output, clock generators View Details
Si5332 Low jitter clock generators View Details
Si5338 General Purpose Clock Generators View Details
Si52212-A01 PCIe 12-Output Clock Generator View Details
Si5341A Ultra-Low Jitter Clock Generators with 10-Outputs and Integer and Fractional Frequency Synthesis Modes View Details
Si5345A Clock Jitter Attenuator, Jitter Cleaner View Details
Si5395A 12-Output High Performance Jitter Attenuator View Details

Oscillators

The Silicon Labs crystal oscillator (XO) and voltage controlled oscillator (VCXO) products provide fast and easy customization for any frequency up to 3 GHz with six digits of accuracy.

See Silicon Labs Featured Oscillators Below

Si540

Si540 Ultra-Low Jitter XO

The Si540 Ultra Series™ oscillator utilizes Silicon Labs’ advanced 4th generation DSPLL® technology to provide an ultra-low jitter, low phase noise clock at any output frequency. The device is factory-programmed to any frequency from 0.2 to 1500 MHz with <1 ppb resolution and maintains exceptionally low jitter for both integer and fractional frequencies across operating range.

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Si510/511

Si51x General Purpose XOs

The Si510/511 XO utilizes Silicon Labs' advanced DSPLL technology to provide any frequency from 100 kHz to 250 MHz. Unlike a traditional XO where a different crystal is required for each output frequency, the Si510/511 uses one fixed crystal and Silicon Labs’ proprietary DSPLL synthesizer to generate any frequency across this range.

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Si570

Si570 Any Frequency Low-Jitter XO

The Si570 XO/Si571 VCXO utilizes Silicon Labs’ advanced DSPLL circuitry to provide a low-jitter clock at any frequency. The Si570/Si571 are user-programmable to any output frequency from 10 to 945 MHz and select frequencies to 1400 MHz with <1 ppb resolution.

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Si56x

Si56x Ultra Series VCXOs

The Si56x Ultra Series™ voltage-controlled crystal oscillator utilizes Silicon Labs’ advanced 4th generation DSPLL® technology to provide an ultra-low jitter, low phase noise clock at any output frequency. On-chip power supply filtering provides industry-leading power supply noise rejection, simplifying the task of generating low jitter clocks in noisy systems that use switched-mode power supplies.

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Silicon Labs Evaluation Boards

Part Number Description View Details
SI5XX-EVB Si5xx Single/Dual XO/VCXO Development Kit. Supports: Si510/511/512/513, Si515/516, Si530/531/532/533, Si550/552, Si590/591 View Details
SI5XXUC-EVB Si5xx Universal Oscillator Evaluation Board View Details
Si514-PROG-EVB Si514 I2C Programmable Oscillator Development Kit. Supports: Si514 View Details

Silicon Labs Oscillators

Part Number Description View Details
Si51x General Purpose XOs View Details
Si570 Any Frequency Low-Jitter XO View Details
Si540 XO Ultra-Low Jitter Oscillator View Details
Si56x Ultra Series VCXOs View Details

Buffers

The Silicon Labs clock buffers provide ultra-low additive jitter and low skew clock distribution. With a wide portfolio of buffer products, we offer differential and LVCMOS buffers, as well as universal clock buffers.

See Silicon Labs Featured Buffers Below

Si533xx

Si533xx Any-Format Clock Buffers

The Silicon Labs universal family of low-jitter clock buffers and level translators (Si533xx) delivers multiple output clock formats from any input clock format. The flexibility of our clock buffers reduces bill of materials complexity by allowing the same device to be used across multiple projects and platforms.

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Si53362

Si53362-B-GM Low-Jitter, LVCMOS Fanout Buffers

xThe Si53362 family of LVCMOS fanout buffers is ideal for clock/data distribution and redundant clocking applications. The family utilizes Silicon Labs advanced CMOS technology to fanout clocks from dc to 200 MHz with guaranteed low additive jitter, low skew, and low propagation delay variability.xxx

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Silicon Labs Evaluation Boards

Part Number Description View Details
SI53301/4-EVB Si53301/4 Clock Buffer Timing Evaluation Board View Details

Silicon Labs Buffers

Part Number Description View Details
Si533xx Any-Format Clock Buffers View Details
Si53362 Low-jitter, LVCMOS Fanout Buffers View Details

Timing Design Tools

Silicon Labs has the tools to help in any stage of your design cycle.

Custom Timing Solutions

Custom Timing Solutions

Specify any combination of frequencies to build a custom oscillator or application clock in under one minute.

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XO Software

XO Software

Download software files and use online utilities to help support oscillator development.

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XO Phase Noise Look-Up

XO Phase Noise Look-Up

Get instant real-world oscillator phase noise plots for common frequencies.

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Clock Builder Pro

Clock Builder Pro

ClockBuilder Pro is designed to simplify clock tree design and device configuration. This software integrates the equivalent of more than 150 man-years of Silicon Lab’s DSPLL and timing technology and applications expertise.

Each kit offers the following features:

  • Seamless download from ClockBuilder Pro to EVB
  • SMA connectors for high quality measurements
  • No external clocks are required for free-run evaluation
  • Real-time power and junction temperature measurements
  • Access all registers, LED indicators and I/O
  • Most configurations can be powered by USB

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PCIe Clock Jitter

PCIe Clock Jitter

The PCIe Clock Jitter Tool is designed to enable users to quickly and easily take jitter measurements for PCIe Gen1/2/3/4 and SRNS/SRIS. This software takes away all the guesswork of PCIe Gen1/2/3/4 and SRNS/SRIS jitter measurements and margins in board designs.

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Reference Designs