BENEFITS:

VSC1235

Full-rate Clock output for use with Clocked Laser Drivers or in RZ Signal Generation

Extremely Low Clock-data Skew

Clock Outputs can be Disabled to Save Power

Integrated PLLs for Superior Jitter Generation and Transfer Performance

Flexible Parallel Data Clocking Using Internal PLL

VSC1236

High Sensitivity Eliminates Need for AGC/Post-amplifier

Adaptive Threshold Control Features to Optimize BER

Proven Performance with Degraded/Difficult Signals Such as:

- Poor OSNR

- Chromatic Dispersion

- Differential Group Delay

- RZ Signaling

SPECIFICA TIONS:

VSC1235

1.2W Typical Power Dissipation

330mVpp Typical Data Output Amplitude

22ps Typical Rise/Fall Time

275mVpp Typical Clock Amplitude

<-10dB Output Return Loss

<0.1UIpp Jitter Generation

5ps Typical Clock-data Skew Variation

VSC1236

1.2W Typical Power Dissipation

10mVpp Single-ended Sensitivity

3mV Maximum Uncorrected Input Referred Offset

Multi-frequency Capable with Selectable CDR VCOs

Auto-sensing /16 or /512 Reference Frequency

Common Specifications

-5 to +90

°C Case Temperature Range

APPLICA TIONS:

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

FEA TURES:

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

9.9 to 12.5 Gbps 16:1 Multiplexer with Clock Multiplier Unit and Demultiplexer with

Clock Recovery Chip Set

TRANSPORT PRODUCTS

PB-VSC1235,36-001

VSC1235, VSC1236