SI5341A-D15699-GM

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5341A-D15699-GM is a factory pre-programmed, ultra-low-jitter clock generator featuring 10 differential outputs. It synthesizes any-frequency clocks up to 1028 MHz using MultiSynth technology with 90 fs rms jitter performance. The device supports integer and fractional synthesis modes, accepts inputs from external crystals (25–54 MHz) or differential/LVCMOS clocks (up to 750 MHz), and operates within a -40°C to +85°C temperature range.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Generates any combination of output frequencies from any input frequency
• Ultra-low jitter performance of 90 fs rms
• Highly configurable outputs compatible with LVDS, LVPECL, LVCMOS, CML, and HCSL
• In-circuit programmable with non-volatile OTP memory

Clock Generators, PLLs, Frequency Synthesizers Applications

• Clock tree generation replacing XOs, buffers, and signal format translators
• Clocking for FPGAs, processors, and memory
• Ethernet switches and routers
• OTN framers, mappers, and processors
• Test equipment and instrumentation

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific configuration encoded in the custom part number suffix D15699 against your design requirements using the ClockBuilder Pro software data sheet addendum. Confirm that the factory pre-programmed settings match the intended input sources, output formats, and frequency plans before integration.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this variant when a fixed, pre-configured clock solution is required without on-board programming interfaces. Ensure the input frequency range and output voltage levels align with the system architecture. Consider the Si5341A grade for full frequency range support up to 1028 MHz compared to lower grades with restricted bandwidths.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component belongs to the Si5341 family of low-jitter clock generators. It utilizes proprietary MultiSynth fractional synthesizer technology combined with a wide-band PLL. The device integrates four inputs and ten outputs into a single 64-QFN package, functioning as a comprehensive clock tree solution on a chip.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct replacements must be selected from the Si5341A series with equivalent output counts and frequency ranges. Verify that alternative part numbers provide the same pre-programmed configuration or are reconfigurable via I2C/SPI to match the original design parameters.

Clock Generators, PLLs, Frequency Synthesizers FAQ

How is the device configured if it lacks an active serial interface?

The device is factory pre-programmed with a specific configuration stored in non-volatile memory. It generates the designated clock frequencies immediately upon power-up without requiring external programming.

What is the maximum output frequency supported by the Si5341A grade?

The Si5341A grade supports differential output frequencies ranging from 100 Hz up to 1028 MHz.

Can the output drivers be configured for different logic families?

Yes, each of the ten outputs can be independently configured for LVDS, LVPECL, LVCMOS, CML, or HCSL formats with programmable signal amplitude.