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VSC7939 Datasheet

Laser Diode Driver

Manufacturer: Vitesse Semiconductor

VSC7939 Overview

The VSC7939 is a single 3.3V or 5V supply laser diode driver specially designed for SONET/SDH applications up to 3.125Gb/s. External resistors set a wide range of bias and modulation currents for driving the laser. Data and clock inputs accept differential PECL signals.

VSC7939 Key Features

  • Power Supply: 3.3V or 5V ±5%
  • AC-Coupled to Laser Diode

VSC7939 Distributor