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Broadcom BCM8869x 800G Ethernet PHY

Broadcom BCM8869x 800G Ethernet PHY

Brand: Broadcom | Category: Network Equipment

SKU: B-BCM88690 | Part #: BCM88690 | MPN: BCM88690

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About the Broadcom BCM8869x 800G Ethernet PHY

The Broadcom BCM88690 delivers 8x100G SerDes interfaces on both host and line sides, aggregating to 800 Gbps of total throughput in a compact integrated circuit form factor. This 800G Ethernet PHY implements advanced PAM4 modulation across all channels while maintaining full compliance with IEEE 802.3 and 800GbE standards. Network engineers and data center architects will recognize the BCM88690 as a critical retiming and gearbox solution that bridges modern switching fabric architectures with line-side connectivity demands.

Built on Broadcom's advanced CMOS process node, the BCM8869x family device combines retimer, gearbox, and FEC functionality in a single silicon die, reducing board complexity and latency in ultra-high-speed deployments. The chip supports both RS-FEC and KR4 FEC error correction schemes per IEEE 802.3 Clauses 91 and 119, ensuring signal integrity across demanding interconnects. Management is handled via MDIO and I2C interfaces, with built-in loopback diagnostics for comprehensive troubleshooting. For IT procurement teams evaluating next-generation switching and routing platforms, the BCM88690 represents a foundational component for 800G-ready infrastructure.

Target Deployment Scenarios

  • Data center switching fabrics requiring 800G line-rate performance with integrated retiming
  • Data center interconnect (DCI) links needing PAM4-based long-reach Ethernet PHY functions
  • Enterprise routing platforms leveraging 800GbE connectivity for core backbone aggregation
  • SD-WAN edge deployments where gearbox and FEC integration reduce component count and power footprint
  • High-performance compute clusters demanding low-latency, high-density interconnect solutions

Contact Omnixon Global to request a quotation for the Broadcom BCM88690 and explore integration support for your next-generation network architecture.

Technical Specifications

BrandBroadcom
CategoryNetwork Equipment
SKUB-BCM88690
Part NumberBCM88690
ConditionNew
Interface800GbE
Manufacturer Part NumberBCM88690
Product FamilyBCM8869x
Device Type800G Ethernet PHY / Gearbox Retimer
Aggregate Line Rate800 Gbps
Host-Side Interface8x100G SerDes (PAM4)
Line-Side Interface8x100G SerDes (PAM4)
Supported Ethernet StandardsIEEE 802.3, 800GbE
ModulationPAM4 (Pulse Amplitude Modulation 4-level)
Forward Error CorrectionRS-FEC (IEEE 802.3 Clause 91/119), KR4 FEC
Supported FunctionsRetimer, Gearbox, FEC, Loopback diagnostics
Management InterfaceMDIO / I2C
Form FactorIntegrated circuit (bare die / package)
Process NodeAdvanced CMOS (Broadcom proprietary node)
Target ApplicationsData center switching, DCI, enterprise routing, SD-WAN edge

Frequently Asked Questions about Broadcom BCM8869x 800G Ethernet PHY

What does the Broadcom BCM8869x 800G Ethernet PHY do?

The Broadcom BCM8869x 800G Ethernet PHY is enterprise networking hardware for data-center, campus, and branch deployments. Common roles include core/distribution switching, server uplinks, top-of-rack fabric, and edge connectivity in mixed Cisco/Juniper/Arista environments.

What are the headline specs of the Broadcom BCM8869x 800G Ethernet PHY?

Key specifications for the Broadcom BCM8869x 800G Ethernet PHY: interface 800GbE; 3 years support; new condition; performance 800GbE PHY targeting next-generation spine switches and AI cluster networking fabrics with ultra-low power consumption per bit; support 3 years standard (manufacturer). Manufacturer part number BCM88690. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.

Is the Broadcom BCM8869x 800G Ethernet PHY compatible with my infrastructure?

The Broadcom BCM8869x 800G Ethernet PHY interoperates with standard switching protocols (LACP, MLAG/VPC, 802.1Q, OSPF/BGP). For specific cross-vendor scenarios — Cisco-to-Arista MLAG peering, fabric integration with Cumulus/SONiC, or migration from legacy Catalyst — our network engineers map a compatibility plan as part of the RFQ.