Overview

The GN8234 and GN8234E are 224Gb/s PAM4 quad-channel linear equalizers designed for Active Copper Cables (ACC) to provide reach extension over passive Direct Attach Copper (DAC) Twinaxial (Twinax) cable assemblies.

The GN8234 and GN8234E enable robust 4×224Gb/s PAM4 serial links with linear equalization, low input/output return loss, high intra-pair cable skew tolerance, and high common mode rejection. The GN8234 and GN8234E offer a low-power, low-latency, cost-effective signal integrity solution for 1.6T Active Copper Cables.

Features

  • Quad 112GBaud (224Gb/s) PAM4 cable equalizer 
  • Low power consumption
  • Programmable AC Gain
  • Low latency
  • Enables a transparent ACC solution meeting all IEEE 400GBASE-CR4 Auto-Negotiation and Link Training requirements
  • Operates from a single 3.3V power supply with an integrated POR
  • Supports device programming by external MCU with I²C
  • EEPROM device programming (GN8234E only)

Packaging

  • 5.0mm x 5.5mm, 0.5mm pitch FCCSP package

Order Codes

  • GN8234-CBE3 
  • GN8234-CBTE3 
  • GN8234-CBTE3D
  • GN8234-CBTE3Z 
  • GN8234E-CBE3
  • GN8234E-CBTE3
  • GN8234E-CBTE3D
  • GN8234E-CBTE3Z

PB Free/ROHS

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Applications

  • 4x200G ACC QSFP-224
  • 8x200G ACC QSFP-DD and OSFP

Inventory

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