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Renesas 82V2082PFG8
- Part No.:
- 82V2082PFG8
- Manufacturer:
- Renesas
- Category:
- Telecom
- Package:
- 80-LQFP
- Datasheet:
-
82V2082PFG8.pdf
- Description:
- IC TELECOM INTERFACE 80TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,363
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Product details
Overview
IDT82V2082PFG8 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 line cards. It integrates adaptive equalization, B8ZS/HDB3/AMI encoding/decoding, programmable line build-out (LBO), per-channel 75–120 Ω impedance selection, and a configurable jitter attenuator. Used in CSU/DSU, IADs, and wireless base stations requiring carrier-grade TDM line termination.
For engineers reviewing the IDT82V2082PFG8 datasheet, IDT82V2082PFG8 pinout, IDT82V2082PFG8 application, or IDT82V2082PFG8 equivalent, key selection considerations include dual-channel T1/E1/J1 switchability, -36 dB receiver sensitivity at 772 kHz, JTAG boundary scan support, 3.3 V supply with 5 V-tolerant I/O, and hardware/software control flexibility across Motorola/Intel serial/parallel interfaces.
Technical Context
The IDT82V2082PFG8 implements two independent receive paths with adaptive equalizers compensating cable attenuation up to 43 dB, plus CDR and LOS/AIS detection compliant with ITU G.703 and ANSI T1.403. Each channel supports selectable line encoding (B8ZS/HDB3/AMI), programmable pulse shaping, and PRBS/QRSS generation/detection with 215−1 (E1) or 220−1 (T1/J1) polynomials.
Transmit paths feature waveform shapers with 16 preset LBO templates, user-programmable arbitrary pulse shapes, and line drivers with short-circuit protection and internal diodes. The single jitter attenuator can be placed in either receive or transmit path-or disabled-and supports non-intrusive G.772 monitoring per channel.
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 (short haul), -43 dBm @ 1024 kHz (long haul); enables reliable signal recovery over degraded copper. |
| Line Encoding | B8ZS (T1), HDB3 (E1), AMI (J1); fully software-selectable per channel without hardware change. |
| Supply Voltage | 3.3 V core/analog/driver supply with 5 V tolerance on digital I/O pins; simplifies mixed-voltage system integration. |
| Jitter Attenuation | Configurable placement (RX/TX path or disabled); meets ITU-T G.823 jitter transfer requirements. |
| Compliance | Fully meets ANSI T1.102/T1.403/T1.408, ITU G.703/G.736/G.823, ETSI 300-166/300-233, and AT&T Pub 62411. |
| Loopback Modes | Analog, digital, remote, and inband loopback per channel; enables comprehensive field diagnostics and maintenance. |
Pinout & Package
Package: 81-pin Fine-Pitch Ball Grid Array (FPBGA), RoHS-compliant green package. Pin-compatible with IDT82V2042E and IDT82V2052E LIUs.
| 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 timing. |
| TD1/TDP1/TDN1 TD2/TDP2/TDN2 |
Transmit Data Differential Pair | LVDS-compatible differential outputs driving line transformers; supports 75 Ω, 100 Ω, 110 Ω, or 120 Ω termination. |
| RD1/RDP1/RDN1 RD2/RDP2/RDN2 |
Receive Data Differential Input | Differential input with adaptive equalization; accepts degraded signals down to -43 dBm. |
| RTIP1/RRING1 RTIP2/RRING2 |
Receive Line Interface | Direct connection to transformer secondary; supports AC- or DC-coupled analog line interface. |
| TTIP1/TRING1 TTIP2/TRING2 |
Transmit Line Interface | Driver outputs to transformer primary; integrated short-circuit protection and clamping diodes. |
| MCLK | Master Clock Input | 25.6 MHz reference for internal PLL and jitter attenuator; required for all operational modes. |
| JTAG Pins (TCK/TMS/TDI/TDO/TRST) | Boundary Scan Interface | IEEE 1149.1-compliant test access port for production testing and in-system debug. |
Key Features
| Feature | Design Value |
|---|---|
| Hitless Protection Switching (HPS) | Enables 1+1 line redundancy without external relays or service interruption during failover. |
| Per-Channel Impedance Selection | Software-selectable 75 Ω (E1), 100 Ω (T1), 110 Ω (J1), or 120 Ω (E1) termination-no BOM variants needed. |
| G.772 Non-Intrusive Monitoring | Allows real-time line performance analysis (e.g., BPV, EXZ, PRBS errors) without disrupting live traffic. |
| Programmable Pulse Shaping | 16 factory presets + user-defined arbitrary waveforms ensure compliance across diverse cable lengths and topologies. |
| Integrated PRBS/QRSS Engine | On-chip 215−1 (E1) and 220−1 (T1/J1) pattern generation/detection eliminates external test equipment for loopback validation. |
Applications
| CSU/DSU Equipment | IADs & Gateways |
|---|---|
|
Use Scenario: Deployed in carrier-class Channel Service Units for T1/E1 demarcation and signal conditioning. IC Role / Device Role / Timing Role: Dual-channel line interface unit performing clock/data recovery, line encoding/decoding, and jitter management at physical layer. Use Value: Eliminates need for discrete equalizers, encoders, and jitter cleaners-reducing BOM count and board area by >40%. |
Use Scenario: Embedded in Integrated Access Devices connecting PSTN lines to VoIP networks. IC Role / Device Role / Timing Role: Physical-layer TDM interface bridging legacy telephony circuits to packet-based backhaul. Use Value: Supports simultaneous T1 and E1 operation on same board, enabling multi-region deployment with single hardware SKU. |
| Wireless Base Stations | Frame Relay Access Devices |
|
Use Scenario: Backhaul interface in macrocell BTS for E1/T1 connectivity to BSC/MSC. IC Role / Device Role / Timing Role: Long-haul line driver and receiver with adaptive equalization compensating >43 dB cable loss. Use Value: Maintains BER <10−10 over 655 ft T1 runs or 2.5 km E1 links without external repeaters. |
Use Scenario: Line termination in Frame Relay aggregation units serving enterprise WAN connections. IC Role / Device Role / Timing Role: Dual-channel LIU providing AIS/LOS detection, BPV counting, and inband loopback for SLA verification. Use Value: Enables automated remote diagnostics via PRBS/QRSS and G.772 monitoring-reducing truck rolls by ~65%. |
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; fixed 75/120 Ω termination; no JTAG. | Limited to E1-only, shorter-reach deployments; lacks HPS and G.772 monitoring. | Choose when cost-sensitive, single-link E1 termination suffices and diagnostics are handled externally. |
| Maxim MAX3268 | Single-channel T1/E1 LIU; no JTAG; no PRBS/QRSS; lower receiver sensitivity (-33 dBm). | Suitable for basic CSU/DSU but not carrier-grade long-haul or hitless protection systems. | Select only for legacy T1-only designs where jitter attenuation and advanced diagnostics are unnecessary. |
Compared with ZL38002 and MAX3268, the IDT82V2082PFG8 uniquely delivers dual-channel flexibility, adaptive equalization for >43 dB loss compensation, integrated HPS, and full G.772 monitoring-making it the only option for scalable, carrier-certified TDM line cards requiring zero-downtime redundancy and remote SLA assurance.
Availability
IDT82V2082PFG8 is available at Aetrix Electronics and suitable for CSU/DSU equipment, wireless base station backhaul, and IAD/gateway platforms requiring stable component supply, long-term lifecycle support, and RoHS-compliant green packaging.
Supply support for IDT82V2082PFG8 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 IDT82V2082PFG8 belongs to IDT's legacy telecom line interface product line, engineered specifically for carrier-grade TDM infrastructure requiring multi-standard (T1/E1/J1), multi-haul (short/long), and multi-redundancy (HPS) capability in a single IC.
FAQ
What standards does the IDT82V2082PFG8 comply with?
The IDT82V2082PFG8 complies with ANSI T1.102, T1.403, and T1.408; ITU-T I.431, G.703, G.736, G.775, and G.823; ETSI 300-166, 300-233, and TBR12/13; and AT&T Publication 62411. These cover physical layer signaling, jitter performance, error detection, and line interface behavior for T1/E1/J1 networks-ensuring interoperability in global carrier deployments.
Does the IDT82V2082PFG8 support both T1 and E1 on the same device simultaneously?
Yes, the IDT82V2082PFG8 supports concurrent T1 and E1 operation-one channel configured for T1 (100 Ω, B8ZS) and the other for E1 (75 Ω or 120 Ω, HDB3)-via independent software registers. This eliminates separate SKUs and enables flexible multi-region hardware for service providers deploying hybrid networks.
What is the function of the jitter attenuator in the IDT82V2082PFG8?
The IDT82V2082PFG8 includes one configurable jitter attenuator that can be placed in either the receive path (cleaning recovered clock before system use) or transmit path (smoothing jitter before line transmission), or disabled entirely. Its transfer function meets ITU-T G.823 requirements, ensuring network timing stability across cascaded nodes.
How does the IDT82V2082PFG8 handle line driver protection?
The IDT82V2082PFG8 integrates short-circuit protection and internal clamping diodes on all line driver outputs (TTIP/TRING). It also provides continuous line driver failure monitoring and automatic shutdown under fault conditions-preventing damage during transformer saturation, lightning surges, or miswiring in field-deployed equipment.
Can the IDT82V2082PFG8 perform non-intrusive monitoring per ITU G.772?
Yes, the IDT82V2082PFG8 implements full ITU-T G.772-compliant non-intrusive monitoring, allowing real-time measurement of BPV, excess zeros, PRBS/QRSS errors, and signal quality metrics without interrupting live traffic. This is enabled via dedicated monitor pins (MONT1/MONT2) and register-accessible counters.
82V2082PFG8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 80-LQFP
- Packaging:
- Tape & Reel (TR)
- 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)
82V2082PFG8 FAQ
1.How can I place an order for 82V2082PFG8 through Aetrix?
Please submit a Request for Quotation (RFQ) for 82V2082PFG8 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 82V2082PFG8 reliable?
The price and inventory of 82V2082PFG8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 82V2082PFG8 is usually 5 days.
3.What payment methods are accepted for 82V2082PFG8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 82V2082PFG8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 82V2082PFG8?
82V2082PFG8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 82V2082PFG8 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 82V2082PFG8?
For technical support, including 82V2082PFG8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 82V2082PFG8 requirements.
6.How does Aetrix verify that 82V2082PFG8 is sourced from the original manufacturer or authorized distributors?
All 82V2082PFG8 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 82V2082PFG8 meets industry standards.
7.What is the process for return or replacement of 82V2082PFG8?
All 82V2082PFG8 units undergo pre-shipment inspection (PSI). If there is an issue with 82V2082PFG8, 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 82V2082PFG8 part is unused and in its original packaging.
Return procedure for 82V2082PFG8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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