82V2048ADAG-CER

Overview

The 82V2048ADAG-CER is an octal T1/E1/J1 short haul line interface unit (LIU) manufactured by Renesas Electronics. It integrates eight independent channels within a single package, designed for high-density telecom applications. The device operates on a 3.3 V power supply with a maximum voltage of 3.47 V and a minimum of 3.13 V. It features parallel and serial interface types and is housed in a 144-TQFP (20x20) surface-mount package. The component supports a wide operating temperature range from -40°C to +85°C and draws a typical operating current of 55 mA.

Feature Summary

• Integrates eight independent T1/E1/J1 line interface channels for high-density deployment
• Includes adaptive equalization, clock data recovery, and jitter attenuation capabilities
• Supports hitless protection and host modes for reliable network operation

Applications

• Local Area Network (LAN) infrastructure
• Wide Area Network (WAN) equipment
• Wireless base stations
• Network gateways

Procurement Notes

Verify the specific suffix 'CER' against official Renesas documentation to confirm ceramic packaging requirements and environmental compliance status. Confirm that the part number matches the exact datasheet revision intended for your design, as discontinuation notices may affect long-term availability. Ensure compatibility with existing system interfaces before finalizing procurement plans.

Selection Notes

Select this component when designing systems requiring multiple T1/E1/J1 short-haul connections in a compact footprint. The integrated adaptive equalizer and clock data recovery simplify signal integrity management. Consider the 144-pin TQFP package size and thermal characteristics during PCB layout planning to ensure adequate heat dissipation within the specified operating temperature range.

Part Context

This part belongs to the 82V2048 series of Line Interface Units. It serves as a specialized interface solution for connecting digital telecommunication lines to host processors. The device replaces discrete components by consolidating encoding, decoding, and line driving functions into a single CMOS integrated circuit, reducing board space and complexity in telecom hardware designs.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult Renesas Electronics sales offices for current alternatives or updated product information regarding discontinued items.