General Description
The VSC8173 consists of a 16:1 multiplexer and a clock generator for use in SONET STS-192/SDH STM-64 systems. The 16:1 multiplexer accepts 16 parallel LVDS inputs at a data rate of 622.08Mb/s to 669.31Mb/s. This parallel data stream is then serialized into a 9.953Gb/s to 10.709Gb/s output. Both 311MHz and 622MHz data clock input modes are supported. The clock generator creates the 9.953GHz to 10.709GHz clock signal used to retime the transmitted serialized data. The clock generator requires a 155 to 168MHz or 622 to 670MHz PECL reference clock input. To ease timing constraints on the parallel interface, a 16- bit wide FIFO is included. A dividedby-16 or divide-by-64 LVDS clock output is available for use as a clock input to the parallel data source. Additional features include Bit Order Swap and Data Polarity Invert. To assist in monitoring device operation a Loss-of-Lock alarm and internal temperature sensing are provided. The device is packaged in a modified 90-Ball Grid Array (BGA).

FEATUREs:
• Fully Compliant with OIF 99.102
• SONET/SDH Jitter Compliant
• 311MHz or 622MHz Data Clock Input Modes
• Superior Data Output Eyes
• Low Power 1.5W (Typ)
• +3.3V Single Supply
• Continuous Tuning Operation from 9.953 to 10.709Gb/s Rates
• 155-168/622-670 MHz Reference Clock Input
• Reliable 90-Ball BGA Package
• Up to 90°C Case Temperature

APPLICATIONs:
• SONET/SDH Networking
• Transponder Modules
• DWDM Systems
• G.975/709 Forward Error Correction (FEC)
• Gigabit Ethernet
• Telecommunications Transmission Systems
• Test Equipment