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High Accuracy Timing IP Core (HATI)

FPGA core enabling sub-nanosecond synchronization

The HATI (High Accuracy Timing IP) is a FPGA core intended to enable sub-nanosecond synchronization accuracy once it is integrated onto a third-party hardware that it is connected to Safran’s WR-Z device by using optical fiber links. The IP core is able to achieve this performance thanks to the use of White Rabbit protocol (based on IEEE-1588, Sync-E and precise clock compensation).

Features

Key capabilities and advantages

  • Sub-nanosecond time accuracy.
  • Picosecond level precision.
  • Distance range: over 80 km using fiber.
  • DWDM compatible.
  • Dynamic compensation of asymmetries caused by weather conditions.
  • Easily integrable and compatible with multiple FPGA families.
  • Optimized FPGA resources utilization.

Specification

Technical specifications and parameters

Long-term PPS offset measurement Max-Min (ps) 280,66, Mean (ps) 52,54, Dev. Std. (ps) 43,16.
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