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Si5342

Part Number	Si5342
Manufacturer	Skyworks
Description	Any-Output Jitter Attenuator/Clock Multiplier
Published	Oct 24, 2021
Detailed Description	Si5345/44/42 Rev D Data Sheet 10-Channel, Any-Frequency, Any-Output Jitter Attenuator/Clock Multiplier These jitter att...
Datasheet	Si5342 PDF File

Overview

Si5345/44/42 Rev D Data Sheet 10-Channel, Any-Frequency, Any-Output Jitter Attenuator/Clock Multiplier These jitter attenuating clock multipliers combine fourth-generation DSPLL™ and MultiSynth™ technologies to enable any-frequency clock generation and jitter attenuation for applications requiring the highest level of jitter performance.
These devices are programmable via a serial interface with in-circuit programmable non-volatile memory (NVM) so they always power up with a known frequency configuration.
They support free-run, synchronous, and holdover modes of operation, and offer both automatic and manual input clock switching.
The loop filter is fully integrated on-chip, eliminating the risk of noise coupling associated with discrete solutions.
Furthermore, the jitter attenuation bandwidth is digitally programmable, providing jitter performance optimization at the application level.
Programming the Si5345/44/42 is easy with Skyworks’ ClockBuilder Pro™ software.
Factory preprogrammed devices are also available.
Applications: • OTN muxponders and transponders • 10/40/100 G networking line cards • GbE/10 GbE/100 GbE Synchronous Ethernet (ITU-T G.
8262) • Carrier Ethernet switches • SONET/SDH line cards • Broadcast video • Test and measurement • ITU-T G.
8262 (SyncE) compliant 25-54 MHz XTAL KEY FEATURES • Generates any combination of output frequencies from any input frequency • Ultra-low jitter of 90 fs rms • External Crystal: 25 to 54 MHz • Input frequency range • Differential: 8 kHz to 750 MHz • LVCMOS: 8 kHz to 250 MHz • Output frequency range • Differential: 100 Hz to 1028 MHz • LVCMOS: 100 Hz to 250 MHz • Meets G.
8262 EEC Option 1, 2 (SyncE) • Highly configurable outputs compatible with LVDS, LVPECL, LVCMOS, CML, and HCSL with programmable signal amplitude • Si5345: 4 input, 10 output, 64-QFN 9×9 mm • Si5344: 4 input, 4 output, 44-QFN 7×7 mm • Si5342: 4 input, 2 output, 44-QFN 7×7 mm XA XB IN0 4 Input IN1 Clocks IN2 IN3/FB_IN OSC ÷FRAC ÷FRAC ÷FRAC ÷FRAC ...

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