XRT91L80 Просмотр технического описания (PDF) - Exar Corporation

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XRT91L80

2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER

Exar Corporation 

XRT91L80

PRELIMINARY

2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER

xr

REV. P1.1.0

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

• 4-bit LVDS signaling data paths running at 622.08/666.51 Mbps compliant with OIF SFI-4 Implimentation

Agreement

• Non-FEC and FEC rate REFCLKP/N single reference input port

• Supports 77.76/83.31 MHz or 155.52/166.63 MHz transmit and receive external reference input port

• Optional VCXO input port support multiple de-jittering modes

• 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, Remote Parallel and Split 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 with 3.3V I/O

• 490mW Typical Power Dissipation

• Package: 12 x 12 mm 196-pin STBGA

• IEEE 1149.1 Compatable JTAG port

PRODUCT NUMBER

XRT91L80IB

PRODUCT ORDERING INFORMATION

PACKAGE TYPE

196 STBGA

OPERATING TEMPERATURE RANGE

-40°C to +85°C

2

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