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Accurate IBIS-AMI modelling of DSP-Based 56G Ethernet Transceivers & Successful Hardware to Model Correlation

Priyank Shukla (Staff Applications Engineer, Synopsys)

Kevin Li (HW Engineer Sr, Synopsys)

Ayal Shoval (Sr. Member, Technical Staff, Synopsys)

Ismael Duron (Sr IC Test engineer, Synopsys)

Location: Ballroom B

Date: Wednesday, January 29

Time: 12:00pm - 12:45pm

Track: 02. Chip I/O & Power Modeling & Validation Solutions

Format: Technical Session

Pass Type: 2-Day Pass, All-Access Pass, Alumni All-Access Pass - Get your pass now!

Vault Recording: TBD

Audience Level: Intermediate

56Gbps/112Gbps PAM-4 PHYs are becoming the default technology for up to 800G network solutions in order to meet architectural requirements such as power, number of lanes, cost/performance. To accommodate such high data rates, most of the available PHYs on the market have moved from PVT highly dependent and hard to scale analog architectures to more robust and flexible DSP implementations. This architectural shift has implications on simulation and modelling, which has traditionally been handled by IBIS-AMI models. This paper will highlight key concepts for accurate IBIS-AMI model generation and simulation of DSP-based transceivers, and demonstrate the modelling performance through silicon correlation.

Takeaway

Attendee will learn about:
• The basic IBIS-AMI modelling concepts with a PAM-4 56Gbps Ethernet transceiver
• differences between analog vs DSP receiver, highlighting the current modelling considerations and key improvement needed for a reliable IBIS-AMI model
• Modelling Accuracy demonstrated through test-chip hardware correlation