Seagull 252 (CFD53402) is a versatile full-duplex device that can be used in next generation 4x50Gbps QSFP56 optical transceivers or active optical cables (AOCs) for hyperscale data centers. It supports 200Gbps SR4/DR4/FR4/LR4/ ER4 applications using PAM-4 modulation.
Seagull 252 includes integrated VCSEL, EML and silicon photonics (SiPho) drivers and comes with a full suite of features including Credo’s industry-leading energy efficiency. Together with Credo’s new Teal 200 TIA (Transimpedance Amplifier), the Seagull 252 DSP supports a complete optical transceiver chipset for low power, cost-effective, high-performance hyperscale, AI, and 5G applications.
Seagull 252 includes Credo’s fourth generation digital signal processing technology on the electrical host side and optical line side. This allows for extended host side reach supporting seamless operation over short and long PCB channels outside of the standard VSR specifications without having to modify the device settings. On the optical side, the latest performance enhancements allow customers to relax the optical component specifications, therefore increasing optics yields and lowering the cost.