82V2084PFG8

Overview

The 82V2084PFG8 is a quad-channel Line Interface Unit (LIU) manufactured by Renesas Electronics, designed for E1, T1, and J1 telecommunications applications. It supports both short-haul and long-haul transmission modes with an integrated adaptive equalizer. The device operates on a single 3.3 V power supply, within a range of 3.13 V to 3.47 V. It is housed in a 128-pin TQFP package suitable for surface-mount technology. The component functions include clock data recovery, line decoding/encoding, and jitter attenuation, making it suitable for high-speed serial interface requirements.

Feature Summary

• Integrates four independent channels for simultaneous E1, T1, or J1 signal processing
• Includes built-in adaptive equalizer and clock data recovery circuitry
• Supports programmable short-haul and long-haul transmission configurations
• Performs digital line encoding and decoding with jitter attenuation capabilities

Applications

• Local Area Network (LAN) infrastructure equipment
• Wide Area Network (WAN) routing devices
• Wireless base station connectivity modules
• Telecommunications gateway systems

Procurement Notes

Verify the specific suffix 'G8' against official Renesas documentation to confirm packaging details, as datasheets may list standard tray packaging for the base model. Ensure compliance with RoHS directives and moisture sensitivity levels specified in the manufacturer's release notes before procurement.

Selection Notes

Select this component when a quad-channel LIU solution is required for mixed E1/T1/J1 environments. Compare channel density against dual-channel variants like the 82V2082 series if pin count constraints exist. Verify that the 128-pin TQFP footprint aligns with the target PCB layout and thermal management requirements.

Part Context

This part belongs to the 82V208x family of telecom interface ICs, which provides scalable LIU solutions. It serves as a higher-density alternative to single-channel models like the 82V2081 and dual-channel models like the 82V2082, consolidating multiple interfaces into a single package for compact system designs.

Replacement Considerations

The 82V2084PFG is a direct functional substitute with potential tray packaging differences. Verify pin compatibility and software configuration registers when migrating between these variants.