Credo has introduced its new Dove 800 Digital Signal Processor family of products. It includes 800Gbps and 400Gbps optical digital signal processors with integrated drivers. The new products would enable users to satisfy ever-stricter power and bandwidth constraints and are targeted at the rapidly expanding hyperscale data center and AI applications.
The Dove 800 family includes 800Gbps Dove 800/801/802 for OSFP and QSFP-DD800, and 400Gbps Dove 410/401/401 for QSFP112 optical transceivers. These new PAM4 DSPs come with integrated EML, TFLN and silicon photonics modulator drivers. According to Credo, these new products would offer industry leading performance and low-power dissipation.
“Continuous increase in data traffic, driven by applications such as AI and AR/VR, is fueling the demand for optical modules with increased thruput and switch ASICs with 100Gbps serial interface,” said Vlad Kozlov CEO at LightCounting Market Research. “In fact, we have increased our forecast for 800G transceivers reflecting higher level of investments planned by Meta. Credo’s high-performance 400Gbps and 800Gbps DSPs are critical to enabling this next generation infrastructure, while providing the power and price required for rapid market deployment and volume ramp up.”
Credo Dove 800 Family
Features and technical benefits of Credo’s Dove 800 family of products would include the following:
- On both the electrical host and optical line sides, 100G PAM4 is used
- Strong DSPs give industry-leading sensitivity and BER performance on the optical line side and electrical host side, leaving room for optical alignment and crosstalk
- Non-linear cancellation and reflection cancellation are features of line side receivers that increase yields while lowering module cost
- Multi-tap FIR filters and non-linear cancellation are features found on high-performance transmitters, which enable precise module electrical connection and optical interface optimization
- The host side interface connects with various length switch interfaces without the requirement for unique per-channel settings and supports channels with up to 30dB insertion loss
- To provide clients the most flexibility, the family supports usage with additional laser or modulator driver support in addition to the bias-T, EML, TFLN, and Silicon Photonics drivers that are already included
- Flexible breakout topologies, such as 2x400G, 4x200G, and 8x100G, are supported via independent phase locked loops per channel
- Reduce time-to-market with a full range of test capabilities and loopbacks that make lab setup and production testing simple
- Designing module layouts is made simpler by on-chip crossbars
- Higher rack utilization and less thermal cooling are made possible by reduced power dissipation
Evaluation boards, simulation models, characterization reports, reliability reports, design libraries, and an extensive collection of supporting documentation are provided for each Credo product offering.