874003DGI-02LF

Overview

The 874003DGI-02LF is a PCI Express jitter attenuator manufactured by Renesas Electronics Corporation. It functions as a differential-to-LVDS clock distribution buffer with integrated phase-locked loop (PLL) technology. The device accepts one differential clock input and provides three differential LVDS output pairs. It operates within a frequency range of 98MHz to 320MHz, utilizing a VCO range of 490MHz to 640MHz. Key electrical specifications include a maximum cycle-to-cycle jitter of 30ps and a PLL loop bandwidth of 3MHz. The component supports PCI Express spread-spectrum clocking and requires a 3.3V supply voltage.

Feature Summary

• Three differential LVDS output pairs for high-speed signal distribution
• Supports multiple input types including LVPECL, LVDS, LVHSTL, SSTL, and HCSL
• Integrated 3rd Generation FemtoClock PLL technology for low phase noise
• Supports PCI Express spread-spectrum clocking with 3MHz loop bandwidth

Applications

• PCI Express add-in cards
• Desktop PC systems requiring jitter attenuation
• Space-constrained electronic designs

Procurement Notes

The 874003DGI-02LF is listed as obsolete or discontinued by the manufacturer. Verification of current availability through authorized distributors is required. Sourcing may involve secondary market channels or alternative components due to end-of-life status.

Selection Notes

Select this component for applications requiring jitter attenuation in PCI Express systems. Ensure compatibility with input clock types (LVPECL, LVDS, etc.) and verify that the 320MHz maximum frequency meets system requirements. Consider the 20-TSSOP package dimensions for board layout constraints.

Part Context

This part belongs to the FemtoClock series of clock generators and jitter attenuators from Renesas (formerly IDT). It is designed specifically for high-performance digital interfaces like PCI Express, addressing noise issues generated by lower-bandwidth PLL synthesizers in system boards.

Replacement Considerations

The 874003I-02 is identified as an alternative product within the same family. Verify pinout and specification compatibility before substitution.