X9521V20I

Overview

The X9521V20I is a laser diode controller manufactured by Renesas Electronics Corporation, designed for fiber channel and Gigabit Ethernet applications. It features a dual digital control processor (DCP) architecture integrated with EEPROM memory to manage laser diode operations. The device operates within a supply voltage range of 2.7V to 5.5V and supports a supply current of 1.5 mA. It is housed in a 20-TSSOP package with a width of 4.40mm. The component functions reliably across an operating temperature range from -40°C to +85°C.

Feature Summary

• Integrates dual digital control processors for precise laser management
• Includes embedded non-volatile EEPROM memory for configuration storage
• Supports serial interface communication for system integration

Applications

• Fiber Channel optical transceivers
• Gigabit Ethernet laser diode control modules
• Optical communication network equipment

Procurement Notes

Verify the specific suffix 'V20I' against the manufacturer's latest documentation to confirm pinout compatibility and electrical specifications. Note that this component may be subject to end-of-life status or obsolescence notices; consult official Renesas product change notifications for availability and lifecycle updates before finalizing procurement plans.

Selection Notes

Select this component when designing systems requiring dedicated laser diode control with integrated memory for fiber channel or Gigabit Ethernet standards. Ensure the design accommodates the 20-TSSOP surface mount package dimensions and validates power supply stability within the 2.7V to 5.5V range for optimal performance under specified thermal conditions.

Part Context

This part belongs to the X952x series of laser drivers from Renesas Electronics. These devices are specialized integrated circuits intended for controlling laser diodes in high-speed optical data transmission environments. The series typically combines control logic with non-volatile memory to maintain operational parameters without external components.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.