Low Jitter Clock Generators

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The 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. This highly flexible architecture is capable of synthesizing a wide range of integer and non-integer related frequencies up to 312.5 MHz on up to 12 differential clock outputs while delivering sub-280 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-defind hardware input pins that can be assigned during configuration development as output enable, frequency control, input selection, or spread spectrum enablement. 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”.

• Servers, Storage, Search Acceleration
• Ethernet Switches, Routers
• Small Cells, Mobile Backhaul/Fronthaul
• Print Imaging
• Communications
• Broadcast Video
• Test and Measurement
• Industrial, Embedded Computing

Symmetry Electronics is an authorized Silicon Labs distributor.


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Any-Frequency 6/8/12-output programmable clock generators
Offered in three different package sizes, supporting different combinations of output clocks and user configurable hardware input pins
32-pin QFN, up to 6 outputs
40-pin QFN, up to 8 outputs
48-pin QFN, up to 12 outputs
MultiSynth technology enables any frequency synthesis on any output up to 250 MHz
Highly configurable output path featuring a cross point mux
Up to three independent fractional synthesis output paths
Up to five independent integer dividers
Embedded 50 MHz crystal option
Input frequency range:
External crystal: 16 to 50 MHz
Differential clock: 10 to 250 MHz
LVCMOS clock: 10 to 170 MHz
Output frequency range:
Differential: 5 to 312.5 MHz
LVCMOS: 5 to 170 MHz
User-configurable clock output signal format per output: LVDS, LVPECL, HCSL, LVCMOS
Temperature range: 40 to +85 C
Down and center spread spectrum
Pb-free, RoHS-6 compliant
Si5332 Family Reference Manual

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Low Jitter Clock Generators
Part #: Si5332BCxxxxxGM1
Low Jitter Clock Generators