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Renesas 82V2082PF
- Part No.:
- 82V2082PF
- Manufacturer:
- Renesas
- Category:
- Telecom
- Package:
- 80-LQFP
- Datasheet:
-
82V2082PF.pdf
- Description:
- IC TELECOM INTERFACE 80TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,612
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Product details
Overview
IDT82V2082PF from Integrated Device Technology (IDT) is a dual-channel T1/E1/J1 long-haul and short-haul line interface unit (LIU) designed for telecom infrastructure edge devices. It integrates adaptive equalization, AMI/B8ZS/HDB3 encoding/decoding, programmable line build-out (LBO), jitter attenuation, and full PRBS/QRSS diagnostics. Key confirmed specs include -36 dB receiver sensitivity at 772 kHz, 3.3 V single supply with 5 V-tolerant I/O, and compliance with ANSI T1.102, ITU G.703/G.775, and ETSI 300-166.
For engineers reviewing the IDT82V2082PF datasheet, IDT82V2082PF pinout, IDT82V2082PF application, or IDT82V2082PF equivalent, this device supports hardware- and software-configurable line termination (75 Ω/100 Ω/110 Ω/120 Ω), per-channel loopback modes (analog/digital/remote/inband), and JTAG boundary scan - critical for carrier-grade CSU/DSU, IAD, and wireless base station design.
Technical Context
The IDT82V2082PF implements two independent receive paths with adaptive equalizers that compensate cable-induced distortion up to 655 ft (T1/J1) or 2.4 km (E1), plus integrated CDR and LOS/AIS detection. Each channel supports selectable LBO templates, arbitrary pulse shaping, and programmable transmit/receive impedance matching.
Its transmit path includes B8ZS/HDB3/AMI encoders, waveform shapers with 16 preset templates, and configurable jitter attenuator placement (receive or transmit path). Control is enabled via serial (SPI/I²C-compatible), parallel (Motorola/Intel non-multiplexed), or hardware-pin modes - all supporting hitless protection switching (HPS) without external relays.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channels | Dual independent T1/E1/J1 line interfaces - enables single-chip support for redundant or multi-standard trunk links. |
| Receiver Sensitivity | -36 dBm @ 772 kHz, -43 dBm @ 1024 kHz - ensures reliable signal recovery over degraded copper lines. |
| Supply Voltage | 3.3 V ±5% with 5 V tolerance on digital I/O - simplifies power design and eliminates level-shifting in mixed-voltage systems. |
| Line Encoding | B8ZS (T1), HDB3 (E1), AMI (J1) - full protocol-compliant line coding/decoding per channel. |
| Jitter Attenuation | Configurable position (Rx/Tx path) and disable option - allows precise clock cleanup timing placement in sync distribution chains. |
| Compliance Standards | ANSI T1.102/T1.403/T1.408; ITU G.703/G.736/G.775/G.823; ETSI 300-166/300-233 - meets global carrier-grade physical layer requirements. |
| Error Monitoring | 16-bit BPV/Excess Zero/PRBS/QRSS counters - provides real-time, standards-aligned line health metrics for OAM&P. |
Pinout & Package
Available in 80-pin TQFP (Pb-free, RoHS-compliant) and 81-pin FPBGA packages. Pin assignments are identical across both packages for key functional groups, enabling layout reuse.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RTIP1 / RRING1 RTIP2 / RRING2 |
Differential receive line inputs | Accepts balanced T1/E1/J1 signals; internal termination selectable per channel (75/100/110/120 Ω). |
| TTIP1 / TRING1 TTIP2 / TRING2 |
Differential transmit line outputs | Drives twisted-pair lines with programmable LBO and short-circuit protection; supports 5 V-tolerant driver enable. |
| RCLK1 / RCLK2 TCLK1 / TCLK2 |
Receive/transmit clock I/O | Supports active-high or active-low edges; configurable via register or hardware pins (RXTXM[1:0]). |
| LOS1 / LOS2 | Loss-of-Signal indicator outputs | Open-drain, active-low signals asserting when input amplitude falls below threshold per ITU G.703. |
| MCLK | Master clock input | 2.048 MHz (E1) or 1.544 MHz (T1/J1) reference for internal PLL and CDR operation. |
| TMS / TCK / TDI / TDO / TRST | JTAG test access port | Enables IEEE 1149.1 boundary scan for production testing and in-system debug without intrusive probes. |
Key Features
| Feature | Design Value |
|---|---|
| Hitless Protection Switching (HPS) | Hardware-accelerated 1+1 redundancy switchover without external relays or service interruption. |
| Adaptive Equalization | Real-time compensation of frequency-dependent cable loss up to 655 ft (T1/J1) or 2.4 km (E1). |
| G.772 Non-Intrusive Monitoring | Enables live line monitoring on adjacent channels without disrupting traffic or requiring loopback activation. |
| Programmable Pulse Shaping | 16 user-defined or preset waveform templates per channel - ensures compliance across diverse cable lengths and topologies. |
| Multi-Standard Line Termination | Per-channel selection of 75 Ω (E1), 100 Ω (T1), 110 Ω (J1), or 120 Ω (E1) - eliminates BOM variants for global deployments. |
| PRBS/QRSS Diagnostics | On-chip 2¹⁵−1 PRBS (E1) and 2²⁰−1 QRSS (T1/J1) generation/detection - enables automated field line qualification. |
Applications
| CSU/DSU Equipment | Wireless Base Stations |
|---|---|
|
Use Scenario: Aggregating T1/E1 backhaul links from remote cell sites into core packet networks. IC Role / Device Role / Timing Role: Dual-channel LIU performing line conditioning, clock recovery, and protocol-aware error monitoring. Use Value: Enables single-chip support for mixed T1/E1/J1 backhaul with adaptive equalization - reducing latency and jitter accumulation in fronthaul timing paths. |
Use Scenario: Interfacing legacy TDM-based BTS controllers with modern IP transport layers. IC Role / Device Role / Timing Role: Physical-layer bridge converting E1/T1 line signals to synchronous system interfaces (e.g., Motorola 8-bit parallel). Use Value: Hardware-configurable line build-out and impedance matching ensure robust operation across varying site distances and cable types without firmware updates. |
| IADs & Gateways | Frame Relay Access Devices |
|
Use Scenario: Providing T1/E1 WAN connectivity for enterprise voice/data gateways with embedded VoIP. IC Role / Device Role / Timing Role: Dual-line interface handling simultaneous data and signaling channels with inband loopback for remote diagnostics. Use Value: Integrated PRBS/QRSS and 16-bit error counters allow automated SLA verification and proactive line degradation alerts. |
Use Scenario: Connecting legacy frame relay networks to next-gen MPLS edge routers. IC Role / Device Role / Timing Role: Line interface unit performing AMI/B8ZS decoding, AIS/LOS detection, and jitter attenuation for stable frame alignment. Use Value: Jitter attenuator placement flexibility (Rx or Tx path) preserves timing integrity required for frame relay's strict bit-error tolerance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel T1/E1/J1 line interface applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Microchip ZL38002 | Single-channel only; no adaptive equalizer; supports only E1/T1 (no J1); requires external LBO components. | Limited to point-to-point E1/T1 links without long-haul compensation or multi-standard flexibility. | Select when cost-sensitive, low-channel-count designs prioritize small footprint over long-haul reach. |
| Maxim MAX3395E | Single-channel E1-only LIU; fixed 75 Ω termination; no PRBS/QRSS or JTAG; lower integration (no jitter attenuator). | Suitable only for basic E1 termination in non-redundant, short-haul environments. | Choose for simple drop-in replacement where HPS, adaptive equalization, and multi-protocol support are unnecessary. |
Compared with ZL38002 and MAX3395E, the IDT82V2082PF uniquely delivers dual-channel, multi-standard (T1/E1/J1), adaptive equalization, and hitless protection switching - making it the only option for carrier-class CSU/DSU and wireless infrastructure requiring field-upgradable line conditioning and zero-downtime redundancy.
Availability
IDT82V2082PF is available at Aetrix Electronics and suitable for CSU/DSU equipment, wireless base stations, and IAD/gateway applications requiring stable component supply, long-term lifecycle support, and traceable sourcing for telecom infrastructure programs.
Supply support for IDT82V2082PF 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, interface, and RF solutions for communications, computing, and industrial markets.
The IDT82V2082PF belongs to IDT's legacy telecom line interface product line, engineered specifically for carrier-grade T1/E1/J1 physical layer interfacing in CSU/DSU, IAD, and wireless infrastructure - emphasizing reliability, standards compliance, and field-deployable diagnostics.
FAQ
What is the primary function of the IDT82V2082PF in telecom systems?
The IDT82V2082PF serves as a dual-channel T1/E1/J1 line interface unit (LIU), providing full physical-layer signal conditioning including adaptive equalization, AMI/B8ZS/HDB3 encoding/decoding, clock/data recovery, and LOS/AIS detection. Its role is to reliably interface telecom equipment with legacy copper-based TDM networks while maintaining signal integrity across varying cable lengths and environmental conditions - a core requirement in CSU/DSU, IAD, and wireless base station designs.
Does the IDT82V2082PF support both long-haul and short-haul line configurations?
Yes, the IDT82V2082PF natively supports both long-haul and short-haul operation per channel. It achieves this through programmable line build-out (LBO) with 16 preset waveform templates and user-definable arbitrary pulse shaping, along with adaptive equalization that compensates for cable attenuation up to 655 ft (T1/J1) or 2.4 km (E1). Configuration is done via software registers or hardware pins, enabling one bill of materials to cover all deployment scenarios.
How does the IDT82V2082PF implement hitless protection switching (HPS)?
The IDT82V2082PF implements hardware-accelerated 1+1 hitless protection switching (HPS) without external relays by synchronizing dual-channel data paths and enabling seamless failover between active and standby links. Its internal architecture ensures continuous clock/data flow during switchover, preserving frame alignment and minimizing bit errors - critical for carrier-grade uptime in CSU/DSU and wireless backhaul applications where service interruption is unacceptable.
What diagnostic capabilities does the IDT82V2082PF provide for field maintenance?
The IDT82V2082PF integrates comprehensive diagnostics including PRBS (2¹⁵−1 for E1) and QRSS (2²⁰−1 for T1/J1) generation/detection, four loopback modes (analog, digital, remote, inband), G.772-compliant non-intrusive monitoring, and 16-bit BPV/excess-zero/PRBS error counters. These features enable remote line qualification, real-time health monitoring, and automated SLA verification - significantly reducing truck rolls and accelerating fault isolation in deployed telecom infrastructure.
Is the IDT82V2082PF pin-compatible with earlier IDT LIUs?
Yes, the IDT82V2082PF is pin-compatible with the IDT82V2042E (dual-channel T1/E1/J1 short-haul LIU) and IDT82V2052E (dual-channel E1 short-haul LIU), allowing direct PCB-level upgrades to add long-haul capability and adaptive equalization without layout changes. This compatibility extends to both 80-pin TQFP and 81-pin FPBGA packages, preserving mechanical and thermal design investments across generations.
82V2082PF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 80-LQFP
- Packaging:
- Tray
- Product Status:
- Obsolete
- Function:
- Line Interface Unit (LIU)
- Interface:
- LIU
- Number of Circuits:
- -
- Voltage - Supply:
- 3.13V ~ 3.47V
- Current - Supply:
- -
- Power (Watts):
- -
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 80-TQFP (14x14)
82V2082PF FAQ
1.How can I place an order for 82V2082PF through Aetrix?
Please submit a Request for Quotation (RFQ) for 82V2082PF 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 82V2082PF reliable?
The price and inventory of 82V2082PF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 82V2082PF is usually 5 days.
3.What payment methods are accepted for 82V2082PF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 82V2082PF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 82V2082PF?
82V2082PF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 82V2082PF 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 82V2082PF?
For technical support, including 82V2082PF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 82V2082PF requirements.
6.How does Aetrix verify that 82V2082PF is sourced from the original manufacturer or authorized distributors?
All 82V2082PF 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 82V2082PF meets industry standards.
7.What is the process for return or replacement of 82V2082PF?
All 82V2082PF units undergo pre-shipment inspection (PSI). If there is an issue with 82V2082PF, 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 82V2082PF part is unused and in its original packaging.
Return procedure for 82V2082PF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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