874003DGI-02LFT

Overview

The 874003DGI-02LFT is a PCI Express jitter attenuator manufactured by Renesas Electronics Corporation. It functions as a differential-to-LVDS clock distribution buffer with integrated PLL technology. The device accepts one differential clock input supporting LVPECL, LVDS, LVHSTL, SSTL, or HCSL formats and provides three differential LVDS output pairs. Operating on a single 3.3V supply within the 3.135V to 3.465V range, it supports an output frequency range of 98MHz to 320MHz. Packaged in a lead-free 20-TSSOP, it operates from -40°C to +85°C.

Feature Summary

• Three differential LVDS output pairs for high-speed signal distribution
• Integrated FemtoClock PLL technology for low phase noise performance
• Supports PCI Express spread-spectrum clocking (SSC)
• Flexible input compatibility including LVPECL, LVDS, LVHSTL, SSTL, and HCSL

Applications

• PCI Express add-in cards
• Desktop PC motherboard clock distribution
• Systems requiring jitter attenuation for PCIe interfaces

Procurement Notes

This component is listed as obsolete by the manufacturer. Verify availability through secondary market distributors. Confirm package integrity and RoHS compliance upon receipt. No active production support is guaranteed.

Selection Notes

Select this part for designs requiring jitter reduction on PCIe clocks up to 320MHz. Ensure input signal levels match supported standards (LVPECL, LVDS, etc.). The 20-TSSOP package requires appropriate PCB footprint design. Consider pinout compatibility if replacing older variants like the non-LF version.

Part Context

The 874003DGI-02LFT belongs to the FemtoClock series of jitter attenuators. It is the lead-free tape-and-reel variant of the 874003DGI-02LF tube-packaged device. Both are discontinued replacements for earlier IDT-generated clock conditioning components.

Replacement Considerations

Publicly confirmed substitute part numbers are not available due to the obsolete status of the base component. Designers should evaluate newer Renesas FemtoClock generations or equivalent jitter attenuators from other manufacturers that support PCIe frequencies up to 320MHz.