QLX4300SIQT7

Specialized Overview

The QLX4300SIQT7 is a specialized interface integrated circuit manufactured by Renesas Electronics Corporation, belonging to the QLx series. It functions as a quad lane extender designed for high-speed data transmission applications. The device operates within a supply voltage range of 1.1 V to 1.3 V, with a typical operating voltage of 1.2 V and a maximum working power current of 260 mA. It supports data rates up to 3.125 Gb/s per lane. The component is housed in a 46-WFQFN package with an exposed pad, specifically identified as a 46-TQFN (4x7) supplier device package, suitable for surface mount installation. It is rated for operation between 0°C and +70°C.

Specialized Feature Summary

• Quad lane extender architecture supporting four independent high-speed data channels
• Integrated SMBus interface for configuration and control
• Designed for copper cable module applications in data transmission systems

Specialized Applications

• Data transmission interfaces
• Copper cable modules
• Specialized interface circuits

Specialized Procurement Notes

This component is officially listed as obsolete or discontinued by the manufacturer. Availability through standard distribution channels is limited or non-existent. Verification of stock status should be conducted directly with authorized distributors or secondary market suppliers, as inventory levels fluctuate rapidly for end-of-life parts. Compliance with RoHS3 standards is confirmed in public documentation.

Specialized Selection Notes

Engineers replacing this part must account for its discontinued status when designing new hardware. The QLX4300SIQT7 is part of the QLx family; however, specific pin-compatible or functionally equivalent alternatives are not explicitly documented in the provided source material. Designers should verify if newer generations within the QLx series offer backward compatibility or if system-level redesigns are necessary due to the lack of direct substitute part numbers in public records.

Specialized Part Context

The QLX4300SIQT7 is a member of the QLx series from Renesas Electronics, formerly associated with Intersil. This series focuses on specialized interface solutions for high-speed serial data transmission. The specific model utilizes a 46-pin QFN package, distinguishing it from other variants in the family that may use different footprints or have varying lane counts. It represents a legacy solution for copper-based high-speed interconnects.

Specialized Replacement Considerations

Public documentation confirms the product status as discontinued. No specific replacement part numbers are explicitly listed in the provided source material. Engineers should consult Renesas technical support for potential obsolescence management plans or next-generation equivalents within the QLx portfolio.