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