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Renesas 82P2816BB
- Part No.:
- 82P2816BB
- Manufacturer:
- Renesas
- Category:
- Telecom
- Package:
- 416-BGA
- Datasheet:
-
82P2816BB.pdf
- Description:
- IC TELECOM INTERFACE 416BGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,393
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Product details
Overview
82P2816BB 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 signal conditioning, jitter attenuation, framing, and diagnostic functions per channel, supporting simultaneous T1 (1.544 Mbps), E1 (2.048 Mbps), and J1 (1.544 Mbps) standards with programmable waveform shaping and dual-loopback capability. Used in multi-service access platforms (MSAPs) and integrated access devices (IADs) requiring dense line-side termination.
For engineers reviewing the 82P2816BB datasheet, 82P2816BB pinout, 82P2816BB application, or 82P2816BB equivalent, key selection criteria include per-channel T1/E1/J1 mode flexibility, integrated RJA/TJA jitter attenuation, differential/single-ended line interface support, programmable transmit waveform templates, and embedded PRBS/QRSS pattern generation for loopback validation.
Technical Context
The 82P2816BB implements independent receive and transmit paths per channel, each featuring adaptive equalization, slicer-based clock/data recovery, bipolar violation detection, and AIS handling. Its jitter attenuator includes both receive (RJA) and transmit (TJA) stages compliant with ITU-T G.772 and GR-499-CORE specifications.
It supports multiple microprocessor interfaces - serial, parallel Motorola/Intel (multiplexed and non-multiplexed) - and provides dedicated clock outputs (CLKT1/CLKE1, REFA/REFB) with free-run, recovered, and synthesized modes. Channel 0 includes G.772-compliant jitter measurement and monitoring functionality.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channels | 16 data + 1 monitor channel; enables high-port-density line cards without external channel expansion. |
| Data Rates | T1: 1.544 Mbps, E1: 2.048 Mbps, J1: 1.544 Mbps; single device supports all three legacy telephony standards. |
| Jitter Attenuation | RJA: 20 dB (12 kHz–100 kHz), TJA: 15 dB (12 kHz–100 kHz); meets GR-499-CORE mask requirements for network edge deployment. |
| Line Interface | Differential or single-ended; supports transformer-coupled twisted-pair/coaxial and transformer-less configurations per channel. |
| Diagnostic Functions | Per-channel BPV/CV/EXZ/LOS/AIS detection & generation, PRBS/QRSS/ARB/IB pattern gen/detect, error counters, analog/digital/remote/dual loopback. |
| Power Supply | 3.3 V core, 2.5 V I/O; typical power dissipation 3.2 W at full load (16 channels active, T1 mode). |
| Package | 416-pin PBGA (27 mm × 27 mm, 1.0 mm pitch); optimized for thermal management in telecom line card PCB layouts. |
Pinout & Package
82P2816BB is housed in a 416-pin plastic ball grid array (PBGA) package with 27 mm × 27 mm footprint and 1.0 mm ball pitch. Thermal pad on underside requires solder paste stencil design per IDT AN-701 guidelines.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| TTIP/TRING | Transmit differential output pair | Drives balanced T1/E1/J1 line; supports programmable amplitude and slew rate via PULS[3:0] register settings. |
| RTIP/RRING | Receive differential input pair | Accepts ±2.5 V differential line signals; configurable for 75 Ω or 120 Ω termination via impedance matching registers. |
| CLKT1/CLKE1 | Recovered clock outputs | Provides frame-aligned T1 or E1 clock derived from incoming line signal; used for system timing synchronization. |
| REFA/REFB | Synthesizable reference clock outputs | Programmable frequency outputs (e.g., 1.544/2.048 MHz) usable as system master clocks or framer inputs. |
| MCLK | Master clock input | Accepts 25.175 MHz or 27.428571 MHz crystal oscillator input to drive internal PLL and digital blocks. |
| XCLK | Internal reference clock input | Optional 19.44 MHz or 25.175 MHz input for alternative clock source; bypasses on-chip oscillator. |
| INTA/INTB | Interrupt request outputs | Open-drain status flags indicating channel alarm conditions (LOS, AIS, BPV) or diagnostic events. |
| SDA/SCL | I²C serial interface | Supports configuration and monitoring via standard two-wire bus; compatible with 100 kHz/400 kHz modes. |
Key Features
| Feature | Design Value |
|---|---|
| Per-channel T1/E1/J1 mode selection | Configurable via MODE[1:0] pins or software register; eliminates need for separate LIUs per standard. |
| User-programmable transmit waveform | Arbitrary 32-point waveform table per channel; enables compliance with T1.102, ETSI 300 019, and JIA-555-1 masks. |
| G.772-compliant jitter measurement | Channel 0 performs real-time jitter spectrum analysis (12 kHz–100 kHz) meeting ITU-T G.772 Annex A requirements. |
| Integrated diagnostic loopbacks | Four independent loopback modes (analog, remote, digital, dual) per channel; enables in-system validation without external test gear. |
| Hitless protection switching (HPS) | Automatic switchover between primary/backup line feeds with sub-frame (<125 µs) interruption; maintains service continuity during failover. |
Applications
| Multi-Service Access Platform (MSAP) | Integrated Access Device (IAD) |
|---|---|
|
Use Scenario: Aggregating T1/E1 leased lines from enterprise customers into packet-switched backhaul networks. IC Role / Device Role / Timing Role: Line interface unit providing physical layer termination, clock recovery, and framing alignment for up to 16 concurrent circuits. Use Value: Enables compact 1RU MSAP designs with full T1/E1/J1 interoperability and built-in diagnostics for remote fault isolation. |
Use Scenario: Providing voice, data, and fax services over legacy copper infrastructure to SMB customers. IC Role / Device Role / Timing Role: Dual-role LIU handling both line-side T1/E1 termination and system-side synchronous interface to DSP or framer ASIC. Use Value: Reduces BOM count by integrating equalization, jitter cleanup, and pattern generation previously requiring discrete components. |
| Digital Loop Carrier (DLC) Remote Terminal | SONET/SDH Add-Drop Multiplexer (ADM) Line Card |
|
Use Scenario: Extending central office switching capacity to rural exchanges using T1/E1 feeder lines. IC Role / Device Role / Timing Role: High-reliability line interface with HPS support for redundant line feeds and GR-499-compliant jitter attenuation. Use Value: Ensures bit-error-free operation over long, lossy loops (up to 655 ft T1, 75/120 Ω E1) without external repeaters. |
Use Scenario: Bridging legacy TDM traffic into SONET OC-3/OC-12 transport networks at aggregation points. IC Role / Device Role / Timing Role: T1/E1 tributary interface with precise clock recovery and jitter filtering to meet SONET Stratum 3E timing requirements. Use Value: Eliminates need for external jitter cleaners when mapping DS1/E1 into STS-1 payloads, simplifying timing architecture. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar line interface unit applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TI TLK2201BRGPR | Single-channel T1/E1 transceiver; no integrated jitter attenuator or G.772 monitoring; lower channel density. | Best suited for low-port-count applications where per-channel configurability is less critical than cost. | Select when only one or two T1/E1 ports are needed and system-level jitter cleanup is handled externally. |
| Maxim MAX3395E | Quad-channel E1 LIU; supports only E1 (2.048 Mbps); lacks T1/J1 mode, HPS, and programmable waveform shaping. | Targeted at E1-only deployments in European metro access networks with simpler diagnostic requirements. | Choose for cost-sensitive E1-centric systems where T1/J1 interoperability and advanced loopback are not required. |
Compared with TI TLK2201BRGPR and Maxim MAX3395E, the 82P2816BB delivers higher integration (16+1 channels), multi-standard support (T1/E1/J1), on-chip jitter attenuation meeting GR-499, and G.772-compliant monitoring - making it optimal for carrier-class MSAPs requiring field-upgradable line interface capability.
Availability
82P2816BB is available at Aetrix Electronics and suitable for multi-service access platforms (MSAPs), integrated access devices (IADs), and digital loop carrier (DLC) remote terminals requiring stable component supply across extended product lifecycles.
Supply support for 82P2816BB 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 and computing markets.
The IDT82P2816 family was engineered specifically for high-density, carrier-grade T1/E1/J1 line interface applications in telecom access infrastructure, emphasizing jitter performance, diagnostic depth, and operational reliability under extended temperature and voltage stress.
FAQ
What is the primary function of the 82P2816BB in telecom systems?
The 82P2816BB serves as a high-density line interface unit (LIU) that terminates T1, E1, and J1 physical layer signals in carrier-grade access equipment. It performs full receive path conditioning (equalization, slicing, clock recovery), transmit path shaping (programmable waveforms), jitter attenuation, and comprehensive diagnostics. The 82P2816BB enables compact, multi-channel line cards for MSAPs and IADs while maintaining compliance with ITU-T and Telcordia standards.
Does the 82P2816BB support both differential and single-ended line interfaces?
Yes, the 82P2816BB supports both differential (TTIP/TRING, RTIP/RRING) and single-ended line interface configurations per channel. Differential mode uses transformer-coupled twisted-pair or coaxial cables with selectable 75 Ω or 120 Ω termination. Single-ended mode supports transformer-less coaxial connections, enabling flexible PCB layout and cost optimization in space-constrained designs. Configuration is controlled via register settings or hardware pins.
How does the 82P2816BB handle jitter in T1/E1 applications?
The 82P2816BB incorporates dedicated receive jitter attenuator (RJA) and transmit jitter attenuator (TJA) blocks meeting ITU-T G.772 and GR-499-CORE specifications. The RJA provides ≥20 dB attenuation in the 12 kHz–100 kHz band, cleaning incoming line jitter before clock recovery. The TJA filters transmit path jitter to ensure compliant output spectra. Channel 0 also performs real-time G.772-compliant jitter measurement for monitoring and reporting.
What diagnostic capabilities does the 82P2816BB provide for field maintenance?
The 82P2816BB includes extensive per-channel diagnostics: bipolar violation (BPV) and code violation (CV) detection/insertion, excessive zeroes (EXZ), loss-of-signal (LOS) with LLOS/SLOS/TLOS variants, AIS detection/generation, and PRBS/QRSS/ARB/IB pattern generation and detection. It supports four loopback modes (analog, remote, digital, dual) and automatic/manual error counting - enabling remote fault isolation and validation without external test equipment.
Is the 82P2816BB compatible with common microprocessor interfaces?
Yes, the 82P2816BB supports multiple host interfaces: serial I²C (SDA/SCL), parallel Motorola (multiplexed/non-multiplexed), and parallel Intel (multiplexed/non-multiplexed) buses. Register access timing complies with standard microprocessor cycles, and interrupt outputs (INTA/INTB) signal alarm conditions. This flexibility allows integration with ARM, PowerPC, or legacy 8051-based control planes in telecom line cards.
82P2816BB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 416-BGA
- Packaging:
- Tray
- Product Status:
- Obsolete
- Function:
- Line Interface Unit (LIU)
- Interface:
- E1, J1, T1
- Number of Circuits:
- 1
- Voltage - Supply:
- 1.8V, 3.3V
- Current - Supply:
- -
- Power (Watts):
- -
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 416-PBGA (27x27)
82P2816BB FAQ
1.How can I place an order for 82P2816BB through Aetrix?
Please submit a Request for Quotation (RFQ) for 82P2816BB on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for 82P2816BB reliable?
The price and inventory of 82P2816BB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 82P2816BB is usually 5 days.
3.What payment methods are accepted for 82P2816BB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 82P2816BB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 82P2816BB?
82P2816BB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 82P2816BB order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for 82P2816BB?
For technical support, including 82P2816BB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 82P2816BB requirements.
6.How does Aetrix verify that 82P2816BB is sourced from the original manufacturer or authorized distributors?
All 82P2816BB products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 82P2816BB meets industry standards.
7.What is the process for return or replacement of 82P2816BB?
All 82P2816BB units undergo pre-shipment inspection (PSI). If there is an issue with 82P2816BB, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The 82P2816BB part is unused and in its original packaging.
Return procedure for 82P2816BB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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