Capella™ is a second-generation 7nm 112Gbps SerDes IP solution that is designed for outstanding performance in the most demanding system environments for network connectivity and data transmission.  Deployed in both Inphi products and customers’ ASICs, Capella delivers longer reach, lower power, and cost efficiency to today’s networking switch, adapter and AI applications.

Key Features

• Supports up to 112.5 Gbps data streams with PAM4 modulation or 28.125 Gbps down to 25.0 Gbps streams with NRZ modulation.
• Line interface supports greater than 35dB loss across printed circuit board.
• Supports industry standard SerDes for IEEE and OIF specifications for 10G, 25G, 50G, 100G, 400G, 800G operations.
• ADC/DSP-based receivers.
• Modular RX equalizer providing industry leading IL/BER performance, based on a combination of digital FFE and DFE with reflection canceller and MLSD.
• Incorporates automatic gain control loop to load the receiver ADC appropriately.
• Provides outstanding performance for multiple applications: backplane, chip-to-chip and chip-to-module interconnects.
• Complete set of debug and monitoring capabilities.
• ASIC friendly and easy to use.
• Complete software package including ANLT support.

Standards

• 112Gbps per lane standard for100/200/400/800G ports
• IEEE 802.3ck (400GBASE-K4.CR4, 400GUAI-4)
• IEEE 802.3bs (400GBASE-GAUI-8, 200GAUI-4, 100GAUI-2, 50GAUI) – PAM4
• IEEE 802.3bj (100GBASE-KR4, 100G-CR4) – NRZ
• IEEE802.3cd (50GBASE-KR/CR) – PAM4
• IEEE 802.3bm (25GBASE-CAUI4) – NRZ
• EEE 802.3by (25GBASE-KR, 25GBASE-CR, 25GBASE-SR) – NRZ
• CEI-112G-LR/MR/VSR – PAM4
• CEI-56G-LR/MR/VSR – PAM4
• CEI-28G-LR/MR/SR/VSR – NRZ

Target Applications

Backplane: Interconnect options

DAC

PIG-TAIL AOC

CWDM4

PSM4

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