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Renesas 82P2916BFG
- Part No.:
- 82P2916BFG
- Manufacturer:
- Renesas
- Category:
- Telecom
- Package:
- 484-LFBGA
- Datasheet:
-
82P2916BFG.pdf
- Description:
- IC TELECOM INTERFACE 484BGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,108
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Product details
Overview
82P2916BFG from IDT (now part of Renesas) is a 16-channel high-density T1/E1/J1 line interface unit (LIU) designed for carrier-grade access and aggregation equipment. It integrates full receive/transmit signal conditioning, jitter attenuation, PRBS pattern generation/detection, and per-channel diagnostics. Key specs include 16 independent channels, support for T1 (1.544 Mbps), E1 (2.048 Mbps), and J1 (1.544 Mbps) standards, ±100 ppm frequency tolerance, and operation at 3.3 V core supply.
For engineers reviewing the 82P2916BFG datasheet, 82P2916BFG pinout, 82P2916BFG application, or 82P2916BFG equivalent, this device serves as a single-chip solution for multi-channel telecom line termination in DSLAMs, MSANs, and IP-PBX systems requiring precise waveform shaping, LOS/AIS detection, and hitless protection switching.
Technical Context
The 82P2916BFG implements dual-path architecture per channel: a fully programmable receive path with adaptive equalization, slicer, clock/data recovery (CDR), and decoder; and a transmit path with encoder, user-programmable arbitrary waveform shaper, and differential/single-ended line driver. Each channel supports independent mode selection (T1/E1/J1) via register configuration.
It features integrated jitter attenuators (RJA/TJA) meeting GR-499-CORE requirements, on-chip diagnostic facilities including BPV/CV/EXZ/LOS detection, AIS generation, and per-channel loopback modes (analog, digital, remote, dual). Clocking supports multiple sources: internal XCLK, external MCLK, or recovered CLKT1/CLKE1 outputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channels | 16 independent T1/E1/J1 line interfaces in one package |
| Data Rate Support | T1: 1.544 Mbps; E1: 2.048 Mbps; J1: 1.544 Mbps - full compliance with ANSI T1.102, ITU-T G.703/G.704, and JTT-TR-1001 |
| Jitter Attenuation | Meets GR-499-CORE RJA/TJA specs: ≤1.5 UI pk-pk output jitter for 20–1000 Hz input jitter |
| Waveform Shaping | User-programmable arbitrary transmit waveform with 16 preset templates per standard (T1/E1/J1) |
| Diagnostic Coverage | Per-channel BPV/CV/EXZ/LOS detection, AIS generation, PRBS/QRSS/ARB/IB pattern gen & detect |
| Power Supply | 3.3 V core (±5%), 3.3 V I/O (±5%), 1.8 V analog (±5%) - enables low-noise mixed-signal operation |
| Operating Temp | 0 °C to +70 °C ambient - qualified for commercial telecom infrastructure deployment |
Pinout & Package
82P2916BFG is housed in a 484-pin Fine-Pitch Ball Grid Array (FPBGA) package with 0.8 mm pitch, thermally enhanced for telecom line card applications. Pinout includes dedicated per-channel differential Tx/Rx pairs (TTIP/TRING, RTIP/RRING), system interface buses (SDA/SCL, SCLK, CSn), clock inputs (MCLK, XCLK), reference outputs (CLKE1, CLKT1, REFA/REFB), and JTAG debug pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| TTIP[n]/TRING[n] | Differential Transmit Output Pair (per channel n) | Drives transformer-coupled T1/E1/J1 line with programmable amplitude and rise/fall control |
| RTIP[n]/RRING[n] | Differential Receive Input Pair (per channel n) | Accepts -15 dBm to 0 dBm line signals with adaptive equalization and LOS detection |
| REFA / REFB | Reference Clock Outputs | Programmable frequency synthesizer outputs supporting clock recovery or free-run modes |
| MCLK | Master Clock Input | Primary system timing reference for microprocessor interface and internal logic synchronization |
| TDO / TDI / TMS / TCK | JTAG Test Interface | IEEE 1149.1-compliant boundary scan for production test and in-system programming |
Key Features
| Feature | Design Value |
|---|---|
| Hitless Protection Switching (HPS) | Enables seamless failover between primary/backup line cards without service interruption - critical for carrier-grade SLA compliance |
| Per-Channel Software Reset | Allows individual channel reinitialization without resetting entire device - reduces maintenance downtime in multi-service platforms |
| G.772 Channel Monitoring | Real-time measurement of jitter, wander, and signal quality per channel - supports proactive network health reporting |
| Transmit Waveform Programmability | 16 configurable waveform templates per standard (T1/E1/J1), adjustable for cable length (0–655 ft) and impedance (75 Ω / 120 Ω) |
| Integrated Diagnostic Engine | Hardware-accelerated BPV/CV/EXZ/LOS/AIS detection with error counters updated automatically every frame - eliminates host CPU polling overhead |
Applications
| DSLAM Line Card | MSAN Aggregation Unit |
|---|---|
Use Scenario: Multi-port DSLAM serving broadband subscribers over legacy T1/E1 copper lines. IC Role / Device Role / Timing Role: Line interface unit providing physical layer termination, framing alignment, and jitter cleanup for each subscriber line. Use Value: Enables 16-channel density per chip, reducing BOM cost and PCB area while maintaining GR-499-CORE jitter compliance across all ports. | Use Scenario: Multi-service access node aggregating voice, data, and leased-line services onto IP/MPLS backhaul. IC Role / Device Role / Timing Role: High-reliability LIU with HPS and per-channel diagnostics for fault-isolation in mission-critical edge nodes. Use Value: Hitless switchover and real-time G.772 monitoring ensure >99.999% uptime and automated SLA reporting for carrier SLAs. |
| IP-PBX Gateway | Wireless Backhaul Radio |
Use Scenario: Enterprise IP-PBX connecting to PSTN via T1/E1 trunks using compact gateway hardware. IC Role / Device Role / Timing Role: T1/E1 line interface with AIS generation and LOS detection for trunk supervision and alarm signaling. Use Value: Integrated AIS/BPV/EXZ handling offloads protocol stack processing and ensures immediate trunk failure notification to call control software. | Use Scenario: Microwave or millimeter-wave wireless backhaul unit terminating E1/T1 leased lines at remote cell sites. IC Role / Device Role / Timing Role: Low-power, thermally robust LIU supporting extended temperature range operation and remote loopback for field diagnostics. Use Value: Analog/digital/remote loopback modes enable technician-less troubleshooting over management link - cutting OPEX for distributed deployments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar line interface unit applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX5865+MAX5866 (Maxim) | Two-chip solution (transmit/receive IC pair); no integrated jitter attenuator or HPS; requires external FPGA for channel management | Targeted at lower-channel-count (<8) designs where flexibility outweighs integration; lacks G.772 monitoring | Select when custom waveform shaping or non-standard framing is required, and board space is not constrained |
| TI TLK2201B | Single-channel 10/100BASE-T PHY; supports only Ethernet physical layer, not T1/E1/J1 framing or timing recovery | Designed for LAN/WAN bridging, not telecom line termination; no BPV/AIS/LOS functions | Not a functional alternative - only relevant for Ethernet-based backhaul, not legacy circuit-switched infrastructure |
Compared with MAX5865+MAX5866 and TI TLK2201B, the 82P2916BFG delivers true 16-channel T1/E1/J1 integration with carrier-grade diagnostics, jitter attenuation, and hitless switching - eliminating interposer complexity, reducing power by 35%, and enabling direct replacement of legacy LIUs in existing MSAN/DSLAM designs.
Availability
82P2916BFG is available at Aetrix Electronics and suitable for DSLAM line cards, MSAN aggregation units, and IP-PBX gateways requiring stable component supply, long-lifecycle support, and traceable sourcing for telecom infrastructure programs.
Supply support for 82P2916BFG 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
IDT (Integrated Device Technology), now part of Renesas Electronics, specialized in high-performance timing, memory interface, and communications ICs for networking and telecom infrastructure.
The 82P2916BFG belongs to IDT's high-density line interface product line, engineered specifically for carrier-class access equipment needing multi-channel T1/E1/J1 termination with integrated diagnostics, jitter cleanup, and hitless redundancy.
FAQ
What is the primary function of the 82P2916BFG in telecom systems?
The 82P2916BFG serves as a 16-channel T1/E1/J1 line interface unit that performs physical layer signal conditioning, clock/data recovery, framing alignment, and comprehensive diagnostics. It terminates legacy circuit-switched lines in DSLAMs, MSANs, and IP-PBX gateways while ensuring GR-499-CORE jitter compliance and carrier-grade reliability. The 82P2916BFG integrates both transmit and receive paths per channel, eliminating need for discrete transceivers and external timing ICs.
Does the 82P2916BFG support both T1 and E1 standards simultaneously?
Yes, the 82P2916BFG supports T1 (1.544 Mbps), E1 (2.048 Mbps), and J1 (1.544 Mbps) standards - but not simultaneously on the same channel. Each of its 16 channels can be independently configured via register settings to operate in T1, E1, or J1 mode. Mode selection is controlled per-channel through the global and per-channel register map, allowing mixed-mode line cards (e.g., 8 T1 + 8 E1 ports) within one 82P2916BFG device.
How does the 82P2916BFG handle jitter attenuation?
The 82P2916BFG implements integrated receive and transmit jitter attenuators (RJA and TJA) compliant with GR-499-CORE specifications. Its RJA reduces input jitter (20–1000 Hz band) to ≤1.5 UI pk-pk at output, while TJA cleans up transmit-side jitter induced by upstream clock sources. Both attenuators operate per channel and are enabled/disabled via configuration registers. The 82P2916BFG does not require external VCXOs or PLL ICs to meet Telcordia jitter requirements.
What diagnostic capabilities does the 82P2916BFG provide per channel?
The 82P2916BFG provides hardware-accelerated per-channel diagnostics including bipolar violation (BPV) and code violation (CV) detection, excessive zeroes (EXZ) monitoring, loss-of-signal (LOS) classification (LLOS/SLOS/TLOS), AIS detection/generation, and PRBS/QRSS/ARB/IB pattern generation and detection. All error counters auto-update per frame, and status flags are accessible via the serial microprocessor interface. These features are integral to the 82P2916BFG's role in proactive network health monitoring.
Is the 82P2916BFG pin-compatible with earlier IDT LIUs like the 82P2914?
No, the 82P2916BFG is not pin-compatible with the 82P2914. While both are 16-channel T1/E1/J1 LIUs, the 82P2916BFG uses a 484-pin FPBGA package with revised pin assignments for enhanced thermal performance and added functionality (e.g., REFA/REFB clock outputs, expanded JTAG, HPS control). Migration from 82P2914 to 82P2916BFG requires PCB layout revision. The 82P2916BFG datasheet explicitly states it supersedes prior versions but does not claim drop-in compatibility.
82P2916BFG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 484-LFBGA
- Packaging:
- Tray
- Product Status:
- Active
- Function:
- Line Interface Unit (LIU)
- Interface:
- E1, J1, T1
- Number of Circuits:
- 16
- Voltage - Supply:
- 1.8V, 3.3V
- Current - Supply:
- -
- Power (Watts):
- 3.1 W
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 484-CABGA (19x19)
82P2916BFG FAQ
1.How can I place an order for 82P2916BFG through Aetrix?
Please submit a Request for Quotation (RFQ) for 82P2916BFG 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 82P2916BFG reliable?
The price and inventory of 82P2916BFG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 82P2916BFG is usually 5 days.
3.What payment methods are accepted for 82P2916BFG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 82P2916BFG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 82P2916BFG?
82P2916BFG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 82P2916BFG 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 82P2916BFG?
For technical support, including 82P2916BFG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 82P2916BFG requirements.
6.How does Aetrix verify that 82P2916BFG is sourced from the original manufacturer or authorized distributors?
All 82P2916BFG 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 82P2916BFG meets industry standards.
7.What is the process for return or replacement of 82P2916BFG?
All 82P2916BFG units undergo pre-shipment inspection (PSI). If there is an issue with 82P2916BFG, 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 82P2916BFG part is unused and in its original packaging.
Return procedure for 82P2916BFG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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