GENERAL DESCRIPTION
The VSC1235 and VSC1236 is a complete highperformance multiplexer/demultiplexer chip set designed for 9.9-12.5 Gbps applications, including SONET OC-192, SDH STM-64, 10GbE, G.975, G.709 and offering enhanced capabilities specifically designed to address the needs of Ultra Long Haul (ULH) and Long Haul (LH) fiber optic transmission systems.
   
FEATURES
VSC1235
► 16:1 Data Multiplexer
► PLL Based Clock Multiplier
► Full-rate Clock Outputs
► PLL Based Parallel Data Clocking
► Precision Integrated Phase Detectors
► Selectable Low Phase Noise VCOs
► Surpasses SONET/SDH Jitter Generation/Transfer Requirements

VSC1236
► 1:16 Data Demultiplexer
► PLL Based Clock Recovery
► Highly Sensitive Front-end: 10mVpp Single-ended
► Powerful Adaptive Threshold Control Features
► Support of Multiple Rates with a Single Reference
► Surpasses SONET/SDH Jitter Tolerance Requirements
► True Loss of Signal Function
► Direct Recovery of NRZ and RZ Signals

Common Features
► Low Power SiGe Technology
► No External Heatsink Required
► 10x10mm BGA Package
► Single 3.3V Power Supply
   
APPLICATIONS
► SONET OC-192, SDH STM-64 Systems
► 10GbE, G.975, G.709 and Proprietary FEC Systems
► Long Haul / Ultra Long Haul Transmission Systems
► Line Cards
► Transponders