SI5391A-A14067-GMR

Clock Generators, PLLs, Frequency Synthesizers Overview

The Si5391A-A14067-GMR is a factory pre-programmed ultra low-jitter clock generator featuring 12 outputs and up to 1028 MHz frequency range. It utilizes MultiSynth fractional synthesizer technology for any-frequency synthesis. The device operates on 1.8 V and 3.3 V supplies within a -40°C to +85°C temperature range. It supports LVDS, LVPECL, LVCMOS, CML, and HCSL output formats in a 64-QFN package.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Generates any combination of output frequencies from any input frequency using integer and fractional synthesis
• Delivers ultra-low jitter performance optimized for high-speed serial applications
• Features highly configurable outputs compatible with multiple signal formats and programmable amplitude

Clock Generators, PLLs, Frequency Synthesizers Applications

• 100/200/400G switches
• 56G/112G PAM4 SerDes reference clocks
• Clock tree generation replacing XOs, buffers, and signal format translators
• Clocking for FPGAs, processors, and memory
• Ethernet switches/routers and OTN framers/mappers/processors

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific configuration encoded in the '14067' sequence against your design requirements before procurement. Confirm that the tape and reel packaging matches your automated assembly equipment specifications. Ensure compatibility with the required input crystal or clock source parameters defined by this factory preset.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this part when a fixed, pre-configured clock solution is preferred over field-programmable devices. The 'A' grade supports fractional synthesis up to 1028 MHz. Verify that the internal NVM configuration meets all timing and frequency constraints without requiring external I2C/SPI programming during operation.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component belongs to the Si5391 family of any-frequency, any-output clock generators. The 'A' designation indicates support for both integer and fractional frequency synthesis modes. The suffix 'GM' denotes the 64-QFN package and industrial temperature range, while 'R' specifies tape and reel delivery.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Si5391A-A14067-GM (Tray version)

Clock Generators, PLLs, Frequency Synthesizers FAQ

Can the Si5391A-A14067-GMR be reprogrammed after factory configuration?

Yes, the device supports in-circuit programming via I2C or SPI interfaces, allowing updates to the non-volatile memory.

What is the maximum differential output frequency supported by this model?

The Si5391A grade supports differential output frequencies ranging from 100 Hz up to 1028 MHz.

Does this device support zero delay mode?

Yes, Grade A/B/C/D devices like the Si5391A support zero delay mode for applications requiring fixed minimum delay between input and output.