MACsec / IPsec

Owl 800

The CMS550216 Owl 800 is an 800G MACsec with 800G LR Retimer / 800G Gearbox modes suitable for both backplane and front panel applications including cloud-scale switches, high-density routing platforms, and advanced server NIC cards.

The device has Credo’s innovative SerDes technology at its core to deliver the bandwidth, scalability, and end-to-end signal integrity at low power needed to meet the demands of advanced networks up to 800G with single-lane 28G, 56G, or 112G connectivity.

The Owl 800 supports bi-directional 800G (16 x 56G PAM4 <-> 16x56G PAM4) with MACsec. Other related products in this family include the Owl 400. IPsec is available through a firmware update.

Owl 800 is cost-effectively manufactured on TSMC’s mature 28nm process. The device was selected as the 2021 Gold Winner for Security Solutions by Edison Awards.


16 / 16, bi-directional
Data Rate
10 – 56 Gbps, bi-directional
Insertion Loss
30 db
Output Voltage
100 – 1,000 mVp-p, programmable
Power Supplies
1.8V +/- 5%, 0.9V +/-5%
Operating Temperatures
10 – 85°C
Register Interface


  • Retimer with MACsec Mode:
    1/2/4/8 x 56G to 1/2/4/8 x 56G
    1 x 28G to 1 x 28G
    1 x 10 G to 1 x 28G
  • Bit-MUX with MACsec Mode:
    Any one lane to two lanes with Bit-MUX mode
  • Gearbox with MACsec Mode:
    2 x 56G to 4 x 28G
    1 x 56G to 2 x 28G
    FEC Transcoding
  • Auto-negotiation support for all IEEE defined modes and 50G / 25G consortium modes
  • Link training support for various lane modulation and speed (10G, 28G NRZ, 56G PAM4)•All FEC types (KP FEC, KR FEC, BaseR FEC or no FEC)
  • Proven and certified MACsec engine
  • IEEE 802.1AE MACsec with GCM-AES-256b encryption
  • Advanced low-power equalization architecture
  • Robust programmable TX equalization
  • Fully adaptive and programmable RX equalization with CTLE, FFE and DFE
  • IEEE KP4 RS-FEC (Clause 91) and BaseR FEC (Clause 74)
  • Supports FEC bypass mode for low latency / low power applications

What's New

Innovium TERALYNX 7 Demo with Credo OWL MACsec PHY

Watch a video demo of the industry’s only 12.8Tbps, low-latency programmable switch with Credo’s low-power OWL 800 MACsec PHY.

Watch Video

Let's Connect

Product Form