BBT3421 Datasheet, PDF (1/2 Pages) Intersil Corporation – 4 Channel Multi-rate Intelligent CMOS Re-Timer

nLiten BBT3421 Quad Multi-rate Re-Timer
®
Data Sheet
August, 2002
FN7482
4 Channel Multi-rate Intelligent CMOS
Re-Timer
Features
• 4 channels of clock & data recovery and retiming
• Multi-Speed Operation for OC-48, InfiniBand, XAUI,
10GFC-SN4 rate
- 2.488Gbps to 3.187Gbps with half-rate support
• IEEE 802.3ae Compliant
- 10GBASE-LX4 (WWDM)
- Random jitter 2.5ps (typical)
• 250mW typical power consumption per channel
• 1.8V power supply with 3.3V I/O tolerant
• Drive up to 40” FR-4 traces and 500 meters of MMF fiber
• Single-ended or differential input reference clock
- Data rate/20 for multi-rate data
• Intelligent Retiming
• Deskewing and Channel-to-Channel Alignment
• Clock Compensation
- Tx/Rx Rate Matching via IDLE Insertion/Deletion
- Received Data Aligned to Local Reference Clock for
Transmission
- Accommodate up to ±100ppm clock frequency offset
• CML Rx with Signal Detect and Programmable
Transmission Medium Equalization
• CML Tx with Adjustable Pre-emphasis
• Long Run Length (512 bit) frequency lock ideal for
proprietary encoding schemes
• Extensive configuration and status reporting via 802.3
compliant MDC/MDIO serial interface
• MDIO Interface Compliant with IEEE 802.3ae Clause 45
and Clause 22 Frame Formats
• 10 x 10mm 144 pin 0.8mm pitch LFBGA package
Applications
• Intelligent Retimer required for 10Gigabit Ethernet
compliance (10GBASE-LX4)
• Support 10Gigabit Fibre Channel
• Support OC-48 Rate
• Support InfiniBand
• Ideal for parallel optics Backplane Extension of up to 40
inches
Benefits
• Industry-leading power performance
• Programmable Receiver Equalization and preemphasis
increase link distance and design flexibility
- Reduced EMI, cross-talk
• Link distances greater than 40” FR-4 traces and two
connectors
• Proven Interoperability with various backplanes, optical
modules and semiconductors
• Ease of testing
- PRBS (both 2²³-1 and 13458 byte) Built-In Self Tests,
error code output
- JTAG Boundary Scan, Support for Built-In Self Test
• Complete applications collateral
- Evaluation Board
- Applications Note
- Verilog Model; SPICE Model
- High-Speed System Engineering technical support
Get FULL DATASHEET
nPower BBT3420
XAUI to XGMII
Transceiver
XGMII
Line Card
Custom ASIC
Upper Layer &
MAC Functions
XGMII
nPower BBT3420
XAUI to XGMII
Transceiver
XAUI
Up to 40"
Optical Transponder
nPower
BBT3421 XAUI
to XAUI
Re-Timer
Optical
Transceiver
nPower
BBT3421 XAUI
to XAUI
Re-Timer
Switch Card
XAUI
Up to 40"
Switch
Fabric
XAUI
Up to 40"
Other Line Cards
FIGURE 1. BBT3421 APPLICATIONS
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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