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| BCM8228 (R) VARIRATETM MULTI-RATE TRANSCEIVER WITH SONET RATE ADAPTATION AND PM FEATURES * * * * * * * * * * * * * * * * * * * * Highly integrated rate adaptation device that maps a single STS-3/ STM-1 or a single STS-12/STM-4 stream into STS-48/STM-16 frames Channel Add/Channel Extract functionality for mapping and extracting lower SONET rates Fully integrated serial clock and data recovery (CDR) 155-Mbps/622Mbps/2.488-Gbps SONET/SDH transceiver Retiming functionality for GbE(SGMII)/FC(CML)/2xFC(CML)/ ESCON(CML)/FICON(CML) rates Retiming functionality for STS-3/STM-1, STS-12/STM-4 and STS-48/ STM-16 rates (CML) MUX/DEMUX functionality for STS-3/STM-1, STS-12/STM-4, and STS-48/STM-16 rates (4-bit LVDS) MUX/DEMUX functionality for GbE (TBI)/ESCON (10-bit)/FICON (10-bit) Pass-through functionality for other rates (DVB, HDTV etc.) Performance Monitoring (PM) for SONET with optional Section overhead insertion Redundant receive inputs and transmit outputs to facilitate protection switching designs 2-wire/4-wire serial interface for register access and PM count retrieval Powers down unused blocks via register access PRBS generators and detectors for inbound/outbound SONET and inbound/outbound GbE Polarity reversal for differential signals (low and high speed) Bit order swapping for parallel bus (4-bit and 10-bit) Exceeds SONET requirements for jitter generation, jitter transfer, and jitter tolerance Core supply: 1.8V I/O power supplies: CML at 1.8V, CMOS at 1.8V or 3.3V Low power consumption ~1.1W Standard CMOS process in 196-pin BGA package SUMMARY OF BENEFITS * Compliant with Optical Internetworking Forum (OIF), Telcordia, ITU-T, and IEEE 802.3 standards * Reduces design cycle and time to market * Enables new multirate and multiservice features while retaining existing architectures * Integrated performance monitoring ensures higher reliability without sacrificing cost or real estate * High level of integration allows for higher port density solutions * Bit order swap allows for ease of PCB design * Uses the most effective silicon economy of scale for CMOSbased devices * Low power consumption eliminates the need for external cooling sources * Target Applications - Multiservice platforms - Multiple rate SONET/SDH transmission equipment - SONET/SDH/GbE/FC Multiservice boxes - ADD/DROP Multiplexers - Optical and Digital cross-connects - SONET test equipment - Terabit routers - Edge routers - Repeaters BCM8228 Application Diagram BCM8228 Optical Module Optical Module BCM8228 Framer or ASIC BCM8228 Framer or ASIC Optical Module Optical Module BCM8228 |
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