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VSC1234RE/E, VSC1234RE-0, VSC1235

Table of contents:
Info of VSC1234RE/E
Info of VSC1234RE-0
Info of VSC1235

VSC1234RE/E, VSC1234RE-0, VSC1235 Selling Leads, Datasheet

MFG:800 D/C:VITESSE

VSC1234RE/E, VSC1234RE-0, VSC1235 Picture

VSC1234RE/E, VSC1234RE-0, VSC1235 Datasheet download

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Part Number: VSC1234RE/E

MFG: 800

Package Cooled:

D/C: VITESSE

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VSC1235 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.

The VSC1235 is a 16:1 Multiplexer with an integrated Clock Multiplier Unit. This device easily surpasses the jitter requirements for SONET/SDH transmission systems. Integrated phase locked loop circuits, including VCOs, are used for high-speed clock generation as well as robust low-speed data transfer. This device offers enhanced features, such as a full-rate clock output, which is specifically designed to be used in long haul and ultra long haul systems that utilize clocked laser drivers or RZ signaling. The clock output features extremely low clock-data skew variation, and can be disabled to save power.

The VSC1236 is a 1:16 Demultiplexer (DMUX) with Clock and Data Recovery (CDR) unit. This device is capable of direct recovery of signals which are subject to various impairments/formats inherent in ULH/LH systems, including poor Optical Signal to Noise Ratio (OSNR) arising from optical amplification, distortion from Chromatic Dispersion, Polarization Mode Dispersion / Differential Group Delay (PMD/DGD), and RZ signaling. The highly sensitive front-end, precise phase detector / decision circuit, and adaptive threshold features eliminate the need for AGC amplifiers, post-amplifiers, filters, etc.

which are traditionally needed to recover these signals.

VSC1235 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

VSC1235 Typical Application

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

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