Fiber Channel/Gigabit Ethernet Laser Diode Control for Fiber Optic Modules Triple DCP, POR, 2kbit EEPROM Memory, Dual Voltage Monitors

   The X9520 combines three Digitally Controlled Potentiometers (DCPs), V1/VCC Power-on Reset (POR) circuitry, two programmable voltage monitor inputs with software and hardware indicators, and integrated EEPROM with Block Lock™ protection. All functions of the X9520 are accessed by an industry standard 2-Wire serial interface.

FEATUREs
• Three Digitally Controlled Potentiometers (DCPs)
   - 64 Tap - 10k
   - 100 Tap - 10k
   - 256 Tap - 100k
   - Nonvolatile
   - Write Protect Function
• 2kbit EEPROM Memory with Write Protect & Block Lock
• 2-Wire Industry Standard Serial Interface
   - Complies to the Gigabit Interface Converter (GBIC)
      specification
• Power-on Reset (POR) Circuitry
   - Programmable Threshold Voltage
   - Software Selectable Reset Timeout
   - Manual Reset
• Two Supplementary Voltage Monitors
   - Programmable Threshold Voltages
• Single Supply Operation
   - 2.7V to 5.5V
• Hot Pluggable
• 20 Ld Package
   - TSSOP
• Pb-free available (RoHS compliant)