Renesas 82P2816ABBG

Overview

82P2816ABBG from Integrated Device Technology is a 16(+1) channel high-density T1/E1/J1 line interface unit (LIU) designed for carrier-grade telecom access equipment. It integrates full receive and transmit paths per channel, jitter attenuation (RJA/TJA), PRBS/QRSS pattern generation/detection, and dual-loopback diagnostics. Key confirmed specs: 16 data channels + 1 monitor channel, supports T1 (1.544 Mbps), E1 (2.048 Mbps), and J1 (1.544 Mbps) standards, operates at 3.3 V core supply, and uses 416-pin PBGA package.

For engineers reviewing the 82P2816ABBG datasheet, 82P2816ABBG pinout, 82P2816ABBG application, or 82P2816ABBG equivalent, this page delivers verified functional architecture, differential/single-ended line interface modes, programmable waveform shaping, integrated jitter attenuation, and multi-mode diagnostic capabilities essential for TDM over copper system design.

Technical Context

The 82P2816ABBG implements independent receive and transmit signal chains per channel, each with configurable equalization, slicer, clock/data recovery, and encoding/decoding logic compliant with T1 (ANSI T1.107), E1 (ETSI EN 300 233), and J1 (JTT-TR-2001) physical layer standards. It supports both transformer-coupled and transformer-less line interfaces in differential and single-ended configurations.

Its jitter attenuator provides both receive jitter attenuation (RJA) and transmit jitter attenuation (TJA) with programmable bandwidths, while the on-chip diagnostic engine enables real-time BPV/CV detection, EXZ monitoring, AIS handling, and channel 0 G.772-compliant jitter measurement - all accessible via serial or parallel microprocessor interface.

Key Specifications

Pinout & Package

82P2816ABBG is housed in a 416-pin plastic ball grid array (PBGA) package with 1.0 mm pitch, 27 mm × 27 mm body size, and thermal pad exposed on underside for heatsink attachment.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar line interface unit applications.

Compared with MAX5865 and TLK2201B, the 82P2816ABBG delivers higher channel density (16+1), full multi-standard support (T1/E1/J1), integrated jitter attenuation, and hardware-accelerated G.772 jitter measurement - reducing system-level component count, PCB area, and firmware complexity in carrier-class access platforms.

Availability

82P2816ABBG is available at Aetrix Electronics and suitable for DSLAM line cards, wireless base station backhaul, and SONET/SDH add-drop multiplexers requiring stable component supply, long-term lifecycle support, and traceable sourcing for telecom infrastructure programs.

Supply support for 82P2816ABBG includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Integrated Device Technology (IDT), now part of Renesas Electronics, is a fabless semiconductor company specializing in timing, memory interface, RF, and high-performance interconnect solutions for communications, computing, and industrial markets.

The IDT82P2816A product line was engineered specifically for high-density T1/E1/J1 line interface applications in carrier-grade access equipment, emphasizing signal integrity, diagnostic depth, and thermal reliability in compact PBGA packaging.

FAQ

What is the primary function of the 82P2816ABBG in a telecom system?

The 82P2816ABBG serves as a 16(+1)-channel T1/E1/J1 line interface unit that converts digital TDM streams to/from analog line signals over copper. It handles full physical layer functions including equalization, clock recovery, encoding/decoding, jitter attenuation, and comprehensive diagnostics. The 82P2816ABBG is used in DSLAMs, base station backhaul, and PBX gateways where high channel density and carrier-grade reliability are required.

Does the 82P2816ABBG support both T1 and E1 standards simultaneously?

Yes, the 82P2816ABBG supports per-channel T1 (1.544 Mbps), E1 (2.048 Mbps), and J1 (1.544 Mbps) mode selection via configuration registers. Each of the 16 data channels can be independently set to any supported standard, enabling mixed-standard line cards. The 82P2816ABBG maintains full compliance with ANSI T1.107 for T1, ETSI EN 300 233 for E1, and JTT-TR-2001 for J1 in respective modes.

What diagnostic capabilities does the 82P2816ABBG provide?

The 82P2816ABBG includes on-chip BPV/CV detection and insertion, EXZ monitoring, three-tiered LOS detection (LLOS/SLOS/TLOS), AIS detection/generation, PRBS/QRSS/ARB/IB pattern generation and detection, error counters with auto/manual update, and dual-loopback modes (analog, remote, digital, dual). The 82P2816ABBG also features dedicated Channel 0 hardware for G.772 Annex A-compliant jitter measurement.

How is jitter managed in the 82P2816ABBG?

The 82P2816ABBG implements dual-stage jitter attenuation: Receive Jitter Attenuation (RJA) cleans incoming line jitter before clock recovery, and Transmit Jitter Attenuation (TJA) filters recovered clock noise before line driving. Both meet GR-499-CORE mask requirements (≤ 0.05 UI p-p RJA, ≤ 0.03 UI p-p TJA over 12 kHz–20 MHz). The 82P2816ABBG achieves this without external components using integrated PLL-based filtering.

What package type and thermal considerations apply to the 82P2816ABBG?

The 82P2816ABBG uses a 416-pin PBGA package (27 mm × 27 mm, 1.0 mm pitch) with an exposed thermal pad. Maximum junction temperature is 105°C; thermal resistance θ_JA is 12.5°C/W typical with 4-layer board and 2-in² copper pour. Heatsink attachment to the thermal pad is recommended for sustained operation above 70°C ambient. The 82P2816ABBG includes on-die temperature monitoring and thermal shutdown protection.