TRANSPORT PRODUCTS
VSC7964
1/2/4 Gbps Integrated VCSEL Driver and Limiting Amplifier
A P P L I C AT I O N D I A G R A M :
VCSEL
VSC7964
Limiting
Amplifier
and
VCSEL
Driver
Tx
Controls/Faults
Micro
Controller
Two-wire
interface
VSC7977
Receiver
Rx
F E AT U R E S :
Rate Selection
BENEFITS:
Allows the User to Optimize the Bandwidth of the Limiting Amplifier and TIA for a
Given Data Rate, Improving the Optical Input Sensitivity at Lower Data Rates, and
Provides Superior Interoperability with Legacy Optical Devices
Automatically Adjust Bias Current, Ensuring a Constant Average Optical Power on
Temperature and Time
Adjustable Negative Peaking Control to Improve VCSEL Edge Speed
Enables the Micro-controller to Directly Read and Write the the VSC7964 Registers,
Allowing for Expanded Device Control and Enhanced Fault Coverage
Eliminates the Need for External Components Saving Board Space and Simflifying
the Layous
Enables the Customer to Meet the International Electrotechnical Commission (IEC)
Safety of Optical Fibre Communication Systems Eye Safety Epecifications.
Support Industrial Temperature Applications
Optical Power Monitor
Dynamic Negative Peaking Control
Digital Programming Interface
Integrated Digital to Analog Converters (DACs) and Temp Sensor
Built-in Support for IEC-60825 Eye Safety
Extended Operating Temperature
S P E C I F I C AT I O N S :
Supported Data Rates: 1Gbps to 4.25Gbps
Transmitter and Receiver Rise/Fall Time: 40ps
Modulation Current: 2mA to 15mA
Supply Voltage: 3.3V
Operating Temperature Range from -40C to 100C (Case)
SFP/SFF-8472 Compliant Disable and Faults
A P P L I C AT I O N S :
Gigabit Ethernet Transceivers
Fibre Channel Transceivers (1x, 2x and 4x)
Infiniband Transceivers
PB-VSC7964-001
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
