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IBIS-AMI Back-Channel System Optimization in Practice

Steven Parker  (Senior Staff Engineer, Marvell Semiconductor)

Jared James  (Principal Product Engineer, Cadence Design Systems)

Location: Mission City M1

Date: Thursday, January 30

Time: 12:05pm - 12:45pm

Track: Sponsored Session

Vault Recording: TBD

Cadence Design Systems

This paper demonstrates the IBIS AMI feature for Back-Channel Support ("BCI"), why and how it is being used, and explore interoperability between model vendors with examples from Marvell and Cadence. BCI is a lightweight message passing protocol which supports training transmitter (TX) feed forward equalizers (FFE's) based on receiver (RX) observations. Examples are taken from Marvell SerDes development showing what performance improvement is possible with BCI. We then demonstrate interoperability with examples between two companies. We explore possible ways in which Back-Channel Support could be expanded to improve model