Low-Jitter Clock Generators

Our any-frequency, any-output Si5332 clock generators combine a wide-band PLL with proprietary MultiSynth fractional synthesizer technology to offer a versatile and high-performance clock generator platform. Si5332 features an embedded reference crystal option, providing further integration and simplifying board design. This highly flexible architecture is capable of synthesizing a wide range of integer and non-integer related frequencies up to 333.33 MHz on up to 12 differential clock outputs while delivering sub-200 fs rms phase jitter performance with 0 ppm error. The device includes two independent spread spectrum modulation domains, an I2C interface for in-system programming and user-defined hardware input pins that can be assigned during configuration development as output enable, frequency control, input selection or spread spectrum enablement. The multi-profile feature provides the ability to store up to 16 unique configuration files in the same orderable part number, using the hardware input pins to select between each configuration. Each of the clock outputs can be assigned its own format, enabling the Si5332 to replace multiple oscillators, buffers and/or clock generators with a single device making it a true “clock tree on a chip”.

Phase jitter (RMS)
190 fs
Consolidate into a single IC
Up to 12 clock outputs

Low-Jitter Clock Generator Common Specs

  • Multi-output ordering options:
    • 6 outputs in QFN32
    • 8 outputs in QFN40
    • 12 outputs in QFN48
  • Low current consumption
  • MultiSynth technology delivers any frequency on any output
  • I2C programmable
  • Any format, any output: HCSL, LVDS, LVSMOS
  • 16-bit timers
  • UART, SPI, SMBus/I²C and high speed I2C slave
  • Priority crossbar for flexible pin mapping
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Find the Right Low-Jitter Clock Select Columns
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Part Number Customize Reference Inputs Number of Outputs Input Frequency Output Frequency Phase Jitter (RMS) Embedded Xtal Description Control VDD (V) VDDO (V) Package Type Package Size (mm) Clock Generators Jitter Attenuating Clocks Synchronous Ethernet/1588 PCIe Compliant 4G/LTE Wireless Clocks Intel x86 Clocks
Customize 2 6 10 250 333.33 5 0.190 Low jitter, 6-output, any-frequency (< 333.33 MHz), any output clock generator (INT+FRAC) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN32 5x5
Customize 3 8 10 250 333.33 5 0.190 Low jitter, 8-output, any-frequency (< 333.33 MHz), any output clock generator (INT+FRAC) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN40 6x6
Customize 3 12 10 250 333.33 5 0.190 Low jitter, 12-output, any-frequency (< 333.33 MHz), any output clock generator (INT+FRAC) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN48 6x6
Customize 2 6 10 250 200 5 0.190 Low jitter, 6-output, any-frequency (< 200 MHz), any output clock generator (INT+FRAC) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN32 5x5
Customize 3 8 10 250 200 5 0.190 Low jitter, 8-output, any-frequency (< 200 MHz), any output clock generator (INT+FRAC) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN40 6x6
Customize 3 12 10 250 200 5 0.190 Low jitter, 12-output, any-frequency (< 200 MHz), any output clock generator (INT+FRAC) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN48 6x6
Customize 2 6 10 250 333.33 5 0.190 Low jitter, 6-output, any-frequency (< 333.33 MHz), any output clock generator (INT only) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN32 5x5
Customize 3 8 10 250 333.33 5 0.190 Low jitter, 8-output, any-frequency (< 333.3 MHz), any output clock generator (INT only) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN40 6x6
Customize 3 12 10 250 333.33 5 0.190 Low jitter, 12-output, any-frequency (< 333.33 MHz), any output clock generator (INT only) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN48 6x6
Customize 2 6 10 250 200 5 0.190 Low jitter, 6-output, any-frequency (< 200 MHz), any output clock generator (INT only) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN32 5x5
Customize 3 8 10 250 200 5 0.190 Low jitter, 8-output, any-frequency (< 200 MHz), any output clock generator (INT only) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN40 6x6
Customize 3 12 10 250 200 5 0.190 Low jitter, 12-output, any-frequency (< 200 MHz), any output clock generator (INT only) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN48 6x6
Customize 2 6 10 250 333.33 5 0.175 Low jitter, embedded crystal 6-output, any frequency (< 333.33MHz), any output clock generator (INT+FRAC) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA32 5x5
Customize 3 8 10 250 333.33 5 0.175 Low jitter, embedded crystal 8-output, any frequency (< 333.33MHz), any output clock generator (INT+FRAC) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA40 6x6
Customize 3 12 10 250 333.33 5 0.175 Low jitter, embedded crystal 12-output, any frequency (< 333.33MHz), any output clock generator I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA48 6x6
Customize 2 6 10 250 200 5 0.175 Low jitter, embedded crystal 6-output, any frequency (< 200MHz), any output clock generator I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA32 5x5
Customize 3 8 10 250 200 5 0.175 Low jitter, embedded crystal 8-output, any frequency (< 200MHz), any output clock generator (INT+FRAC) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA40 6x6
Customize 3 12 10 250 200 5 0.175 Low jitter, embedded crystal 12-output, any frequency (< 200MHz), any output clock generator (INT+FRAC) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA48 6x6
Customize 2 6 10 250 333.33 5 0.175 Low jitter, embedded crystal 6-output, any frequency (< 333.33MHz), any output clock generator (INT only) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA32 5x5
Customize 3 8 10 250 333.33 5 0.175 Low jitter, embedded crystal 8-output, any frequency (< 333.33MHz), any output clock generator (INT only) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA40 6x6
Customize 3 12 10 250 333.33 5 0.175 Low jitter, embedded crystal 12-output, any frequency (< 333.33MHz), any output clock generator (INT only) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA48 6x6
Customize 2 6 10 250 200 5 0.175 Low jitter, embedded crystal 6-output, any frequency (< 200MHz), any output clock generator (INT only) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA32 5x5
Customize 3 8 10 250 200 5 0.175 Low jitter, embedded crystal 8-output, any frequency (< 200MHz), any output clock generator (INT only) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA40 6x6
Customize 3 12 10 250 200 5 0.175 Low jitter, embedded crystal 12-output, any frequency (< 200MHz), any output clock generator (INT only) I2C/Pin 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA48 6x6

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