M88RT41632 (x16 PCIe® 4.0 Retimer)

M88RT41632, a high-performance x16 PCIe® 4.0 Retimer that complies with PCIe® Base Specification 4.0 and supports mainstream package requirements. The Retimer employs advanced signal conditioning techniques to mitigate the effects of various jitter sources and compensate for channel attenuation.



  • High-performance PCIe® 4.0 retimer with 16 bidirectional lanes
    • High-performance 16 GT/s SerDes, capable of compensating for channel loss up to 28 dB
    • Eliminate deterministic input jitter and random input jitter
    • Support per-lane SerDes configuration
  • PCIe® standards and compatibility
    • Compliant with PCIe® 4.0 Base Specification
    • Support mainstream package requirements
  • Clocking
    • Use standard 100 MHz reference clock
    • Support Common Clock, SRNS and SRIS feature
    • Support 100 MHz reference clock output
  • Power management
    • Support PCIe® L1PM feature
  • Support lane polarity inversion
  • Support hot plug
  • Low power and low latency
  • Test and debug
    • IEEE 1149.6 AC-JTAG Boundary Scan
    • Support Rx margining test and slave loop-back
    • Support multiple DFX features for convenient system bring-up and test
  • Device configuration via SMBus or EEPROM
  • Powered by 1.8 V and 0.8 V
  • 22.8 mm x 8.9 mm, 354-ball FCCSP package


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  • Storage Appliances
  • Hardware Accelerators