報告_OCP2026_Molex_Broadcom_224G_AEC_20261015

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原始內容

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[Clay Miller] [Sr. Manager New Product Development, Molex ] [Rajesh Annapillai] [Physical Layer Products, Product Marketing , Broadcom] 224G AECs for AI Data Centers NETWORKING

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Copper Solutions at 224G per lane

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Solving the problem of power

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Optimize PCB, Twinax, SI at the PCBA Optimizing the solution Known Good Die vs Packaged Design

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Copper connectivity options at 224G per lane REACH 1 m 2 m 3 m 4 m 5 m 6 m DAC Excellent ACC Excellent Limited AEC Excellent AEC maintains an Excellent BER across the known use cases of 1–6 m.

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1.6T AEC growth outlook Global annual units (millions) 2026–2031 forecast 0 3 6 9 12 2023 2024 2025 2026 2027 2028 2029 2030 2031 800G AEC 1.6T AEC 1.74M 800G AEC units in 2025 6.5× 1.6T growth, 2027–2030 1.37M to 8.85M units 2030 First forecast year with 1.6T ahead of 800G Source: LightCounting Cloud Data Center Optics Database, July 30, 2026

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6m+ at 224G Is Nuanced Every segment of the channel has to be optimized together Insertion Loss Crosstalk Intra-Pair Skew Reflections Power Supply Noise Optimize every segment: Retimer Package Paddle Card TwinAx Where it starts: AEC Retimer Silicon-level specs and simulation for every segment

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Skew: Legacy Metrics Fail at 200G+ Intra-pair skew • Degrades signal quality • Raises insertion loss, crosstalk and EMI Legacy metrics break down at 200G+ • Time-domain (TDR/TDT): poor correlation to system performance • Raw frequency-domain (VNA): skew varies widely across frequency bands IL roll-off caused by P/N imbalance EIPS – weighted integration, time- + frequency-domain Absolute frequency-domain skew integrated against a normalized weighting function W(f)¹ IEEE CR mask Long, tightly coupled pairs like 3m+ twinax cables Skew < 0.5 ps mask Short, loosely coupled lines: packages, paddle cards, DVT and OSFP boards ¹ S.-J. Moon et al., "Intra-Pair Skew Metric, EIPS (Effective Intra-Pair Skew)," IEEE 25th SPI Workshop, Siegen, Germany, 2021

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Retimer Silicon & Package Optimization Same SerDes as used in Broadcom Tomahawk switches Signal integrity leadership (Superior DSP Equalization Architecture)

45 dB Insertion Loss Profile Industry's broadest DSP / retimer portfolio 25+ years of customer collaboration Non-Optimized Optimized Optimize Package For P/N Skew Lower, tighter P–N skew across all lanes Reflections Improved impedance profile Crosstalk Special GND shielding techniques

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Paddle Card Optimization & Co-Simulation Non-Optimized Optimized (For EIPS/CMC spec) P/N Skew 1.6T AEC 6.5m cable: Simulated pre-FEC BER 1E-11 1E-10 1E-09 1E-08 TX1 TX2 TX3 TX4 TX6 TX7 TX8 Pre-FEC BER Left → Right Right → Left Co-simulate the full channel: retimer + package + paddle card + twinax → every lane lands in a tight BER band at 6.5m

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Consistent 6m+ Performance, Faster TTM A shared paddle card baseline helps cable partners and hyperscalers What each side gets • Cable partners: A proven baseline for faster TTM, with room to differentiate (TwinAx, connectors etc) • Hyperscalers: Consistent performance • Behind it: Silicon-level insight, optimized end to end How we get to 6m+ Drive specs EIPS & CMC masks per segment Retimer & Package DSP architecture, SI expertise Paddle card & TwinAx Skew-matched Co-simulate Full channel, 6.5 m Shared baseline Paddle card design Cable partners & hyperscalers Build, qualify, deploy

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Real-Time Diagnostics Find cable issues fast – for cable partners and hyperscalers Cable partners Faster bring-up, production test and failure debug Hyperscalers Operational efficiency: find a bad cable before it hurts the fabric Per-lane BER, SNR and EMAX, live FEC tail: frame-error statistics Pre-FEC BER SNR FEC tail monitoring Power & temperature Near-end + far-end Robust, real-time telemetry measured on the retimer itself – at both ends of the cable

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Real-Time Channel Modeling– At Hyperscalers Characterize the entire AEC channel – and manage it from one common interface Entire channel, in real time • Frequency response (raw and smoothed) • Step and pulse response • Per lane, host and media side • Whole channel, not just one segment One common interface The GUI integrates into CMIS software – one interface for diagnostics and channel modeling Diagnose the cable (real-time), model the channel, all through CMIS

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AGERA Ethernet AEC Family • Same SerDes as Tomahawk5 •

45dB Reach, 8m+ • In production • Same SerDes as Tomahawk5 • 45dB Reach, 8m+ • In production • 400G SerDes • 40dB Reach • Coming soon! • Same SerDes as Tomahawk6 • 45dB Reach, 6m+ • In production 400G 800G AGERA2LP 8:8 AGERA2LP 8:8 5nm 3.2T AGERA4 8:8 2nm 1.6T AGERA3/3U 8:8 3nm Industry's 1st AEC Retimer supporting lowest pJ/b, while extending 1.6T cable reach to 6m+ 5nm

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Key Takeaways What it takes to deliver 6m+ at 224G 1 6m+ is nuanced • Optimize: Insertion Loss, crosstalk, skew, reflections and supply noise across the channel • Every segment matters: retimer, package, paddle card and twinax 2 Cable + Silicon-led, ecosystem-wide • Specs and co-simulation across every segment • A shared paddle card baseline: faster TTM for cable partners, consistent performance for hyperscalers 3 Reduce Hyperscalers TTM & Opex Cost • Real-time diagnostics through CMIS • Real-time channel modeling through CMIS AEC eco-system for longer reach is ready for 224G, next-phase is to help the industry deploy & ramp 224G AEC’s

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Thank You!