SiTime Jitter Cleaners

The Epoch™ platform is SiTime’s highest-performance jitter cleaner, engineered for:

• PCIe Gen 5/6, 100/200/400/800 GbE
• Optical modules, edge routers, and coherent optics
• Replacing bulky quartz-based jitter attenuators with programmable MEMS timing

• Integrated Phase Jitter: <100 fs typical
• Supported Inputs: LVCMOS, differential
• Outputs: 2 differential
• Frequencies: 100 MHz, 156.25 MHz, 212.5 MHz, 312.5 MHz, 400 MHz
• Target Standards: PCIe Gen 5/6, IEEE 802.3, CPRI, eCPRI
• Applications: Optical transceivers, switches/routers, base stations

• Best-in-class PSNR (Power Supply Noise Rejection)
• Dual-output, programmable jitter cleaner
• AEC-Q100 grade options available for automotive/industrial

Chorus-branded devices include integrated PLLs with jitter attenuation, phase noise filtering, and support for multiple outputs, combining low-jitter synthesis and clean distribution in a compact footprint.

•  Up to 4 differential outputs
• Programmable frequencies (up to 2.1 GHz)
• Supports LVPECL, LVDS, HCSL, LVCMOS
• Designed for jitter cleaning and generation in systems like:
  • 10/25/40/100/400 GbE, PCIe Gen 4/5
  • SATA, SAS, XAUI, Fibre Channel

•  Dual PLL, 8-output jitter cleaner
• On-chip hitless switching, skew alignment, frequency translation
• Flexible PLL configuration for clock redundancy and cleaning

•  MEMS-based, ultra-low jitter differential oscillators
• Often used in Chorus-style configurations for SerDes and FPGA reference clocks
• Compatible with PCIe, Ethernet, JESD204B/C

• Programmable PLL configuration
• Industry-leading low phase noise
• Seamless integration into existing FPGA/SoC clock architectures