SI5344D-B05656-GM

Clock Generators, PLLs, Frequency Synthesizers Overview

The Si5344D-B05656-GM is a jitter attenuator and clock multiplier from the Si5344 Rev D family, manufactured by Skyworks Solutions. It features four inputs and four outputs housed in a 44-QFN package. The device generates output frequencies ranging from 100 Hz to 350 MHz using integer or fractional synthesis modes. It incorporates fourth-generation DSPLL technology for ultra-low jitter performance of 90 fs rms. The unit operates on a core voltage of 1.8 V ±5% and supports an industrial temperature range of –40 °C to +85 °C.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Generates any combination of output frequencies from any input frequency
• Ultra-low jitter of 90 fs rms
• Programmable jitter attenuation bandwidth: 0.1 Hz to 4 kHz
• Highly configurable outputs compatible with LVDS, LVPECL, LVCMOS, CML, and HCSL

Clock Generators, PLLs, Frequency Synthesizers 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

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific ordering suffix B05656 against official Skyworks documentation to confirm factory preprogrammed configuration details. Ensure compatibility with ClockBuilder Pro software settings matches the required design specifications before finalizing procurement orders.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this model when applications require four differential or single-ended outputs with frequencies up to 350 MHz. The Si5344D variant specifically supports integer and fractional synthesis within this frequency range. Verify that the 44-QFN 7x7 mm package dimensions fit the target PCB layout constraints.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component belongs to the Si5344 Rev D series, which utilizes MultiSynth and DSPLL technologies. It serves as a low-jitter clock generator designed for high-performance networking and telecommunications equipment requiring precise frequency multiplication and jitter cleaning capabilities.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Si5344A-D-GM provides similar functionality but supports output frequencies up to 1028 MHz.