PS8561 is bidirectional linear redriver that supports both PCI Express® Gen 3, with data rates up to 8.0 GT/s, and SATA, with rates up to 6 Gb/s.  The PS8561 operates with a single 3.3V power supply.  In a typically application, the PS8561 is placed close to the PCIe® or SATA connector to compensate for board losses and regenerate high-quality electrical signals for improved link reliability.


  • Supports PCIe operation at 2.5GT/s,5.0GT/s and 8.0GT/s
  • Supports Serial ATA (SATA) operation at 1.5Gb/s, 3.0Gb/s and 6.0Gb/s
  • Flexible selection of PCIe or SATA operation mode
  • Supports Out-of-Band (OOB) Signaling with fast OOB enter/exit time
  • Supports link training at PCIe operation mode
  • Programmable equalization up to 8.5dB at 4GHz
  • Automatic power saving
  • Supports L1.2 power state
  • Integrated automatic squelch function
  • I2C control or pin configuration
  • Single 3.3V power supply
  • 2×4.2mm 36-pin QFN Halogen free RoHS Package
  • 0°C to 85°C Operating Temperature Range
  • ESD: HBM 8KV


  • Desktop and laptop computers
  • Servers
  • Workstations