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

FEA TURES:

Rate Selection

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

APPLICA TIONS:

Gigabit Ethernet Transceivers

Fibre Channel Transceivers (1x, 2x and 4x)

Infiniband Transceivers

1/2/4 Gbps Integrated VCSEL Driver and Limiting Amplifier

TRANSPORT PRODUCTS

PB-VSC7964-001

VSC7964

VCSEL

VSC7977

Receiver

VSC7964

Limiting

Amplifier

and

VCSEL

Driver

Micro

Controller

Two-wire

interface

Controls/Faults

Tx

Rx

APPLICA TION DIAGRAM:

SPECIFICA TIONS:

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