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Renesas 82V2082PFG
- Part No.:
- 82V2082PFG
- Manufacturer:
- Renesas
- Category:
- Telecom
- Package:
- 80-LQFP
- Datasheet:
-
82V2082PFG.pdf
- Description:
- IC TELECOM INTERFACE 80TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:270
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Product details
Overview
IDT82V2082PFG 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), per-channel 75/100/110/120 Ω termination, and a configurable jitter attenuator. Used in CSU/DSU, IADs, and wireless base stations for reliable digital transmission over twisted-pair copper.
For engineers reviewing the IDT82V2082PFG datasheet, IDT82V2082PFG pinout, IDT82V2082PFG application, or IDT82V2082PFG equivalent, key selection considerations include dual-channel T1/E1/J1 switchability, -36 dB receiver sensitivity at 772 kHz, HPS (hitless protection switching) support without external relays, JTAG boundary scan compliance, and hardware/software control flexibility across Motorola/Intel serial/parallel interfaces.
Technical Context
The IDT82V2082PFG implements two independent receive paths with adaptive equalizers to compensate cable attenuation up to 655 ft (T1) or 26 dB (E1), plus data slicers, CDR, and LOS/AIS detection per channel. Each transmit path includes B8ZS/HDB3/AMI encoder, programmable waveform shaper, and LBO with four preset templates and user-defined arbitrary pulse shaping.
It supports flexible system interfacing via single-rail or dual-rail 3.3 V logic (5 V tolerant), configurable JA placement (receive or transmit path), and comprehensive loopback modes - analog, digital, remote, and inband - all compliant with ITU G.772 non-intrusive monitoring requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channels | Dual independent T1/E1/J1 line interfaces with per-channel configuration. |
| Receiver Sensitivity | -36 dBm @ 772 kHz (T1/E1 short haul); -43 dBm @ 1024 kHz (long haul) - enables robust signal recovery on lossy lines. |
| Line Termination | Per-channel selectable: 75 Ω, 100 Ω, 110 Ω, or 120 Ω - eliminates external impedance-matching components. |
| Jitter Attenuation | Configurable position (RX or TX path) or disable; meets ITU-T G.823 jitter transfer specs for network timing integrity. |
| Encoding/Decoding | Hardware-accelerated B8ZS (T1), HDB3 (E1), AMI (J1) encode/decode - ensures standards-compliant line signaling. |
| Power Supply | Single 3.3 V core supply with 5 V tolerance on digital I/O - simplifies power design and supports legacy 5 V system interfaces. |
| Standards Compliance | Fully meets ANSI T1.102/T1.403/T1.408, ITU G.703/G.736/G.775/G.823, ETSI 300-166/300-233, AT&T Pub 62411. |
Pinout & Package
Package: 80-pin TQFP (Pb-free, RoHS-compliant green package). Pinout validated per IDT DSC-6229/7 Rev. 1 (May 2009), Figure-2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| TCLK1 / TCLK2 | Transmit Clock Input | Accepts 1.544 MHz (T1), 2.048 MHz (E1), or 1.544 MHz (J1); active edge programmable (rising/falling). |
| RCLK1 / RCLK2 | Receive Clock Output | Recovered clock output from CDR; frequency matches line rate; used for synchronous system interface. |
| TD1/TD2, TDN1/TDN2, TDP1/TDP2 | Transmit Data Differential Pair | LVDS-compatible differential outputs driving line drivers; supports 75/100/110/120 Ω termination. |
| RD1/RD2, RDN1/RDN2, RDP1/RDP2 | Receive Data Differential Input | Differential inputs to adaptive equalizer; internal termination selectable per channel. |
| TTIP1/TTIP2, TRING1/TRING2 | Transmit Line Driver Outputs | High-voltage line drivers with short-circuit protection and internal clamping diodes for direct copper interface. |
| RTIP1/RTIP2, RRING1/RRING2 | Receive Line Inputs | High-impedance inputs accepting -36 dBm signals; integrated LOS/AIS detection and G.772 monitoring taps. |
| JTAG Pins (TCK/TMS/TDI/TDO/TRST) | IEEE 1149.1 Test Access Port | Enables boundary-scan testing, in-system programming, and real-time diagnostics without halting operation. |
Key Features
| Feature | Design Value |
|---|---|
| Hitless Protection Switching (HPS) | Enables 1+1 redundancy without external relays or service interruption - critical for carrier-grade uptime. |
| Programmable Waveform Shaping | Four factory presets + user-defined arbitrary pulse templates - adapts to diverse cable lengths and impairments. |
| G.772 Non-Intrusive Monitoring | Real-time line health metrics (CV, BPV, EXZ) extracted without disrupting live traffic - simplifies remote maintenance. |
| PRBS/QRSS Generation & Detection | On-chip 215−1 PRBS (E1) and 220−1 QRSS (T1/J1) engines - enables field-deployable link validation without test gear. |
| Adaptive Receive Sensitivity | Dynamic adjustment of threshold based on line noise - maintains BER < 10−10 under varying environmental conditions. |
Applications
| CSU/DSU Equipment | IAD (Integrated Access Device) |
|---|---|
|
Use Scenario: Aggregating T1/E1 leased lines into packet-switched networks at customer premises. IC Role / Device Role / Timing Role: Dual-channel LIU handling physical layer framing, clock recovery, and line coding for both T1 and E1 interfaces. Use Value: Single-chip support for multi-standard operation reduces BOM count and enables unified firmware across global deployments. |
Use Scenario: Providing voice and data services over T1/E1 backhaul in VoIP gateways for SMBs. IC Role / Device Role / Timing Role: Physical layer interface bridging PSTN TDM traffic to IP networks with embedded jitter attenuation and LOS monitoring. Use Value: Integrated HPS and G.772 monitoring allow zero-touch provisioning and automated fault isolation in distributed deployments. |
| Wireless Base Station Backhaul | Frame Relay Access Device |
|
Use Scenario: Connecting remote cell sites to central switches via E1/T1 microwave or fiber links. IC Role / Device Role / Timing Role: Line interface with adaptive equalization compensating for long-haul copper impairments and temperature drift. Use Value: -43 dBm sensitivity at 1024 kHz and programmable LBO ensure stable operation over aging infrastructure with minimal site visits. |
Use Scenario: Terminating frame relay circuits in enterprise edge routers requiring deterministic latency and error reporting. IC Role / Device Role / Timing Role: Dual-channel LIU performing B8ZS/HDB3 decode, BPV/EXZ counting, and inband loopback activation. Use Value: Hardware-accelerated error counters and PRBS/QRSS diagnostics enable SLA verification and proactive circuit degradation alerts. |
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 ZL38005 | Single-channel only; no integrated jitter attenuator; requires external equalization for >300 ft T1. | Limited to cost-sensitive, low-density access nodes where dual-channel and HPS are not required. | Choose when board space is constrained and only one T1/E1 port is needed; verify external equalizer design. |
| Maxim MAX3395E | Short-haul only (≤400 ft); no long-haul LBO or adaptive equalization; lacks JTAG and G.772 monitoring. | Suitable for LAN-based T1 extensions or lab test fixtures - not for carrier-class long-haul deployment. | Select only for non-carrier environments with known low-loss cabling; cannot replace IDT82V2082PFG in telco infrastructure. |
Compared with ZL38005 and MAX3395E, the IDT82V2082PFG uniquely delivers dual-channel long/short-haul operation, hitless protection switching, and full ITU-compliant diagnostics in a single package - making it the only option for carrier-grade CSU/DSU and IAD designs requiring field-upgradable line conditioning and zero-downtime redundancy.
Availability
IDT82V2082PFG is available at Aetrix Electronics and suitable for CSU/DSU equipment, IADs, and wireless base station backhaul systems requiring stable component supply, long-term lifecycle support, and RoHS-compliant green packaging.
Supply support for IDT82V2082PFG 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) was a fabless semiconductor company specializing in timing, memory interface, RF, and high-performance interconnect solutions before its acquisition by Renesas Electronics in 2019. IDT82V2082PFG reflects its legacy in carrier-grade physical-layer ICs.
The IDT82V2082 product line targets telecom infrastructure edge devices requiring multi-standard T1/E1/J1 line interface capability with carrier-grade reliability, diagnostics, and protection features - specifically engineered for CSU/DSU, IAD, and base station applications.
FAQ
What standards does the IDT82V2082PFG comply with?
The IDT82V2082PFG complies with ANSI T1.102, T1.403, and T1.408; ITU-T G.703, G.736, G.775, and G.823; ETSI 300-166 and 300-233; and AT&T Publication 62411. These cover physical layer signaling, jitter performance, error detection, and line build-out requirements for T1/E1/J1 networks. All compliance claims are verified in the official IDT datasheet DSC-6229/7.
Does the IDT82V2082PFG support both long-haul and short-haul T1/E1 operation?
Yes, the IDT82V2082PFG supports both long-haul and short-haul operation per channel via programmable line build-out (LBO) and adaptive equalization. It achieves -36 dBm sensitivity at 772 kHz (short haul) and -43 dBm at 1024 kHz (long haul), with LBO presets covering T1 distances up to 655 ft and E1 attenuation up to 26 dB - all configurable in real time without hardware changes.
How is the jitter attenuator configured in the IDT82V2082PFG?
The jitter attenuator in the IDT82V2082PFG is software-configurable via register JA[1:0] to operate in the receive path, transmit path, or be disabled entirely. Its transfer function meets ITU-T G.823 specifications, and performance data (jitter transfer ratio, bandwidth, holdover stability) is provided in Table-69 of the IDT82V2082PFG datasheet DSC-6229/7.
Can the IDT82V2082PFG be used in a 1+1 protection configuration?
Yes, the IDT82V2082PFG supports Hitless Protection Switching (HPS) for 1+1 protection without external relays. This is implemented using internal crosspoint switching and synchronized state machines across both channels, enabling sub-50 ms failover while maintaining bit transparency - a feature explicitly documented in the "Features" section of the IDT82V2082PFG datasheet.
What package options are available for the IDT82V2082PFG?
The IDT82V2082PFG is offered in an 80-pin TQFP package (Pb-free, RoHS-compliant green variant), as confirmed in the "Package Options" section of IDT datasheet DSC-6229/7. While the base IDT82V2082 part number also lists an 81-pin FPBGA option, the "PFG" suffix specifically denotes the 80-pin TQFP variant with exposed thermal pad and standard lead finish.
82V2082PFG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 80-LQFP
- Packaging:
- Tray
- Product Status:
- Active
- 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)
82V2082PFG FAQ
1.How can I place an order for 82V2082PFG through Aetrix?
Please submit a Request for Quotation (RFQ) for 82V2082PFG 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 82V2082PFG reliable?
The price and inventory of 82V2082PFG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 82V2082PFG is usually 5 days.
3.What payment methods are accepted for 82V2082PFG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 82V2082PFG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 82V2082PFG?
82V2082PFG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 82V2082PFG 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 82V2082PFG?
For technical support, including 82V2082PFG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 82V2082PFG requirements.
6.How does Aetrix verify that 82V2082PFG is sourced from the original manufacturer or authorized distributors?
All 82V2082PFG 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 82V2082PFG meets industry standards.
7.What is the process for return or replacement of 82V2082PFG?
All 82V2082PFG units undergo pre-shipment inspection (PSI). If there is an issue with 82V2082PFG, 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 82V2082PFG part is unused and in its original packaging.
Return procedure for 82V2082PFG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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