SI5335B-B05726-GM

Overview

The Skyworks SI5335B-B05726-GM is a web-customizable, any-frequency, any-output quad clock generator and buffer. It synthesizes four non-integer-related frequencies up to 350 MHz using MultiSynth technology for 0 ppm frequency synthesis error. The device features four output banks supporting differential or single-ended configurations with independent voltage levels (1.5V, 1.8V, 2.5V, or 3.3V). It operates on a single core supply of 1.8V, 2.5V, or 3.3V, drawing 45 mA in PLL mode. Key electrical parameters include a maximum input/output frequency of 350 MHz, a typical phase jitter of 0.7 ps RMS, and an operating temperature range of -40°C to +85°C.

Feature Summary

• Four independent outputs support any frequency (< 350 MHz) and format (LVPECL, LVDS, CML, HCSL, CMOS, SSTL/HSTL)
• MultiSynth fractional divider technology ensures 0 ppm frequency synthesis error
• Three independent, pin-selectable device configurations replace multiple clock ICs
• Low phase jitter of 0.7 ps RMS with selectable PLL loop bandwidths (1.6 MHz or 475 kHz)

Applications

• PCI Express Gen 1/2/3/4 common clock and jitter attenuation
• Ethernet switch/router and 1 GbE/10 GbE interfaces
• DSL jitter attenuation and telecom line cards
• Processor and FPGA clocking

Procurement Notes

Verify the specific factory configuration encoded in the B05726 suffix via the official datasheet or ClockBuilder Pro tool, as this determines the exact frequency plan and pin assignments. Confirm package type is QFN-24 and check RoHS compliance status through manufacturer documentation before procurement.

Selection Notes

Select this component when designing systems requiring four distinct, non-integer-related clock frequencies from a single source. Ensure the required output formats (e.g., LVDS vs. CMOS) and voltage levels are supported by the specific B05726 configuration. Verify that the input reference frequency (crystal, CMOS, or differential) matches the design constraints.

Part Context

This part belongs to the Si5335 family of highly flexible clock generators. The 'B' variant typically denotes specific performance or feature sets within the series, while the alphanumeric suffix defines the unique factory-programmed configuration. It serves as a replacement for multiple discrete oscillators and buffers in complex digital systems.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Designers should consult the Skyworks Solutions website or technical support for cross-reference information regarding equivalent devices.