Product Summary

The BCM8705BIFBG is a QUAD XAUI/CX4/LX4 1.0–3.2 GBPS retimer/switch. The applications of the BCM8705BIFBG include 1-GbE and 10-GbE LAN, MAN, WAN switches and routers, 1×2× or 10-Gigabit Fibre Channel, InfiniBand, SONET network cards, 40-Gbps backplanes and backplane extenders, Advanced test equipment (ATE).

Features

BCM8705BIFBG features: (1)Eight independent retimer channels supporting multiple data rates from 1.0 to 3.2 Gbps, including 1.06 Gbps, 1.25 Gbps, 2.12 Gbps, 2.488 Gbps, 2.5 Gbps, 2.667 Gbps, 3.125 Gbps, and 3.1875 Gbps; (2)Multiconfigurable to support various operating modes; (3)Eight independent 1.0- to 3.2-Gbps retiming channels (single clock domain); (4)Dual XAUI?CX4/LX4 to XAUI/CX4/LX4 retiming channels with redundancy compatible to IEEE802.3 ae; (5)Dual XAUI/CX4/LX4 to XAUI/CX4/LX4 retiming switch; (6)Low power dissipation; (7)Less than 400mW per retiming/switch channel including I/O; (8)High-performance programmable receive equalization and transmit pre-emphasis; (9)Transmit pre-emphasis for interoperability with CML SerDes; (10)Receive equalization for copper interconnects; (11)Enhanced test capability; (12)Full loopback, BIST, 10G BERT, and random Ethernet packet generation; (13)Compact 23-mm x 23-mm package with no external components required; (14)No requirement for heat sink or airflow.

Diagrams

BCM8705BIFBG block diagram

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