XRT91L82 Просмотр технического описания (PDF) - Exar Corporation
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XRT91L82 Datasheet PDF : 59 Pages
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XRT91L82
PRELIMINARY
2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER
xr
REV. P1.0.5
FEATURES
• 2.488 / 2.666 Gbps Transceiver
• Targeted for SONET OC-48/SDH STM-16 Applications
• Selectable full duplex operation between standard rate of 2.488 Gbps or Forward Error Correction rate of
2.666 Gbps
• Single-chip fully integrated solution containing parallel-to-serial converter, clock multiplier unit (CMU), serial-
to-parallel converter, and clock data recovery (CDR) functions
• 16-bit Differential LVDS/LVPECL, or Single-Ended LVPECL signaling data paths running at 155.52/166.63
Mbps using internal input termination for reduced passive components on board
• Non-FEC and FEC rate REF1CLKP/N and REF2CLKP/N dual reference input ports
• Supports 155.52/166.63MHz or 77.76/83.31MHz transmit and receive external reference input ports
• Optional VCXO input port support multiple de-jittering modes in Host mode
• On-chip phase detector and charge pump for external VCXO based de-jittering PLL
• Internal FIFO decouples transmit parallel clock input and transmit parallel clock output
• Provides Local, Remote Serial and Remote Parallel Loopback modes as well as Loop Timing mode
• Diagnostics features include various lock detect functions and transmit CMU and receive CDR Lock Detect
• Host mode serial microprocessor interface simplifies monitor and control
• Meets Telcordia, ANSI and ITU-T jitter requirements including T1.105.03 - 2002 SONET Jitter Tolerance
specification, GR-253 CORE, GR-253-ILR- SONET Jitter specifications.
• Operates at 1.8V CMOS and CML Power with 3.3V I/O
• 500mW Typical Power Dissipation using LVDS Interface
• Package: 15 x 15 mm 196-pin STBGA
• IEEE 1149.1 Compatable JTAG port
PRODUCT NUMBER
XRT91L82IB
PRODUCT ORDERING INFORMATION
PACKAGE TYPE
196 STBGA
OPERATING TEMPERATURE RANGE
-40°C to +85°C
2
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