10Gb/s Four-Channel Transceiver IC

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The Broadcom AFSI-Q24C1S is a transceiver IC complete with laser driver, Transimpedance Amplifier, and Post Amplifier providing 4+4 channel capability. Each laser driver channel incorporates programmability for PCB equalization, voltage swing, laser eye shaPINg and per channel polarity inversion. The IC is designed to operate at 10.3125 Gb/s data rate, but will also operate at data rates down to 2.125 Gb/s and is protocol independent.


  • 4 channel VCSEL driver IC
  • 4 channel optical receiver IC
  • Operates at 2.5, 5.0, or 10 Gb/s Infiniband
  • Operates at 10.3125G for 10G Base-SR Ethernet
  • Operates at 2.125, 4.25, and 8.5 Gb/s for fibre channel applications
  • 4 channel average received power monitor
  • Individual channel control: LOS level & hysteresis, activation, squelch enable/force, bandwidth


QSFP+ pluggable transceiver for Ethernet, fibre channel and InfiniBand protocols

Lifecycle Status

Limited Release

Substance Compliance

  • RoHS6
    Fully Compliant
Specification Value
Lifecycle Limited Release
Distrib. Inventory No
Number of Channels 4
Temperature 0C to + 100°C
Form Factor Die
Fiber Type Multimode
RoHS6 Compliant Y
Pwr Supply In V 3.3 & 2.5
Data Rate 10 Gb/s