BCM8020

Features:

8 independent transceivers supporting multiple data rates from 1.0 Gbps 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
Multiconfigurable to support various operating modes
* Eight Independent 1.0 to 3.2-Gbps SerDes Channels
* Dual quad 1.0 to 3.2-Gbps SerDes with channel alignment
* SerDes-to-SerDes retimer mode: CML and XAUI interfaces
* Full mesh switching maps any XAUI port to any XGMII por for full redundancy on both transmitter and receiver
*Selectable TBI DDR/RTBI or XGMII parallel interface
* HSTL (1.8V or 1.5V) and SSTL_2 parallel interface
Low power dissipation
* Less than 300 mW per transceiver channel including I/O
High performance programmable Rx equalization and Tx preemphasis
* Tx pre-emphasis for interoperability with CML SerDes
* Rx equalization for copper interconnects
Enhanced test capability
* Serial and parallel loopback, BIST, 10G BERT, and random Ethernet packet generation
* IEEE (1149.1) JTAG
Compact 23-mm × 23-mm package with no external components required
* No requirement for heat sink or airflow




Description

The BCM8020 device integrates 8 independent serializer/deserializer (SerDes) channels leveraging Broadcom's high performance mixedsignal design experience along with advanced 0.13- CMOS process technology. Combine BCM8020 with a robust architecture offering the highest degree of flexibility and the result is a highly programmable, lowest power SerDes solution for network line-card and backplane applications.

An internal switch connects the parallel and serial ports to enable fully redundant operation. The BCM8020 enables an active serial link to be switched to the parallel interface, while a protection serial link can be continuously monitored to insure its condition. In the event of failure on the active link the protection link can be instantly switched through external control to the parallel interface.