鈥?/div>
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/622-
Mbps/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
鈥?/div>
Compliant with Optical Internetworking Forum (OIF),
Telcordia, ITU-T, and IEEE 802.3 standards
鈥?/div>
Reduces design cycle and time to market
鈥?/div>
Enables new multirate and multiservice features while
retaining existing architectures
鈥?/div>
Integrated performance monitoring ensures higher reliability
without sacrificing cost or real estate
鈥?/div>
High level of integration allows for higher port density
solutions
鈥?/div>
Bit order swap allows for ease of PCB design
鈥?/div>
Uses the most effective silicon economy of scale for CMOS-
based devices
鈥?/div>
Low power consumption eliminates the need for external
cooling sources
鈥?/div>
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
BCM8228相關(guān)型號PDF文件下載
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