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| BCM8220 (R) 2.488/2.667 GBPS ULTRA LOW POWER SONET/SDH TRANSCEIVER FEATURES * OC-48/STM-16 SONET/SDH transceiver * Selectable full-duplex transmission between standard rate of 2.488 Gbps or Forward Error Correction rate of 2.667 Gbps. * Single-chip, integrated solution containing multiplexer (Mux), clock multiplication unit (CMU), demultiplexer (Demux), and clock data recovery (CDR) functions. * 4-bit, 622.08/666.84-MHz, LVDS system interface SUMMARY OF BENEFITS * Ultra low power consumption eliminates external heat sinks, fans for system airflow, and expensive high current power supplies. * High integration reduces design cycle and time to market. * Features increased port density per board and system. * Selectable standard OC-48/STM-16 rate of 2.488 Gbps or Forward Error Correction rate of 2.667 Gbps, allowing for easy system configuration to maximize transmission bandwidth and data availability. * Extensive diagnostic features provide easy system troubleshooting. * Compliant with industry standards to reduce design cycle and time to market. * CMOS-based device takes advantage of the most effective silicon economy of scale. * Both line and system loopback modes * Additional diagnostic features include lock detect and loss of * * * * * * signal. Meets SONET/SDH jitter requirements Low power dissipation of 550 mW typical Operates at 1.8V 1.8V or 3.3V CMOS I/O interface Standard CMOS fabrication process Two packages offered: * 100-pin QFP package, 14 mm 14 mm 1.4 mm * 100-pin BGA package, 11 mm 11 mm 1.71 mm APPLICATIONS * * * * * * * OC-48/STM-16 transmission Equipment SONET/SDH optical modules ADD/DROP multiplexers Digital cross-connects ATM switch backbones Terabit and edge routers DWDM systems BCM8220 Application Block Diagram Network Interface Processor OTX ORX 622.08 or 666.84 Mbps 2.488 or 2.667 (FEC) G[bs 622.08 or 666.84 Mbps ORX OTX 4 4 Network Interface Processor 4 4 BCM8220 BCM8220 |
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