Clock generator/buffer is web-customizable

The Si5335 web-customizable clock generator/buffer IC is claimed by the company to be the easiest-to-customize clocking solution for addressing complex timing challenges in PCIe- and FPGA-based applications. Any combination of up to four output frequencies ranging from 1 to 350 MHz can be configured on the IC outputs. Up to three unique device configurations can be specified for a single part number, enabling the device to replace three separate clock generators or buffers and allowing developers to reuse a custom Si5335 device across multiple designs.

The device features up to five user-assignable control pins to simplify PCIe and FPGA-based system design and streamline EMI compliance with its PCIe-compliant spread spectrum clocking option. It is based on MultiSynth fractional divider technology, which enables any-frequency synthesis on every output clock with sub-picosecond jitter. Its 0.45 ps max (rms) jitter is more than twice as low as the PCIe 3.0 jitter requirement (1 ps).

It simplifies multichip clocking challenges by supporting any combination of differential formats such as LVPECL, LVDS and CML and single-ended formats like LVCMOS. ($3.01 ea/10,000 available now.)

By Christina Nickolas

Silicon Laboratories , Austin , TX
Information 512-416-8500
www.silabs.com/Clockbuilder