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XRT91L80 Datasheet(PDF) 2 Page - Exar Corporation |
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XRT91L80 Datasheet(HTML) 2 Page - Exar Corporation |
2 / 41 page XRT91L80 PRELIMINARY xr xr xr xr 2.488/2.666GBPS OC-48/STM-16 SONET/SDH TRANSCEIVER REV. P1.0.4 2 FEATURES • 2.488 / 2.666 Gbps Transceiver • Single-chip fully integrated solution containing parallel-to-serial converter, clock multiplier unit (CMU), serial- to-parallel converter, limiting amplifier and clock data recovery (CDR) functions • Host mode serial microprocessor interface simplifies monitor and control • Separate reference and VCXO input ports support multiple de-jittering modes • On-chip phase detector and charge pump for external VCXO based de-jittering PLL • 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 • 4-bit LVDS data paths at 622/666 MHz compliant with OIF SFI-4 Implimentation Agreement • Internal FIFO decouples transmit input and output clocks • Tx CMU and Rx CDR lock detect • Provides Local, Remote and Split Loop-Back modes as well as Loop Timing mode • Diagnostics features include various lock detect functions • Meets Telcordia, ANSI and ITU-T jitter requirements • Operates at 1.8V with 3.3V I/O • 420mW Typical Power Dissipation • Package: 12 x 12 mm 196-pin STBGA • IEEE 1149.1 Compatable JTAG port PRODUCT ORDERING INFORMATION PRODUCT NUMBER PACKAGE TYPE OPERATING TEMPERATURE RANGE XRT91L80IB 196 STBGA -40°C to +85°C |
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