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Renesas 82V2082BFG
- Part No.:
- 82V2082BFG
- Manufacturer:
- Renesas
- Category:
- Telecom
- Package:
- 81-LFBGA
- Datasheet:
-
82V2082BFG.pdf
- Description:
- IC TELECOM INTERFACE 81FPBGA
- Quantity:
- Payment:
- Shipping:
Inventory:360
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Product details
Overview
IDT82V2082BFG from Integrated Device Technology (IDT) is a dual-channel T1/E1/J1 long-haul and short-haul line interface unit (LIU) with integrated adaptive equalization, jitter attenuation, and programmable line build-out (LBO). It supports HPS (hitless protection switching), -36 dB receiver sensitivity at 772 kHz, and single 3.3 V supply with 5 V-tolerant digital I/O. Used in CSU/DSU equipment and wireless base stations for telecom physical layer interfacing.
For engineers reviewing the IDT82V2082BFG datasheet, IDT82V2082BFG pinout, IDT82V2082BFG application, or IDT82V2082BFG equivalent, key selection considerations include per-channel impedance selection (75 Ω/100 Ω/110 Ω/120 Ω), software- or hardware-configurable B8ZS/HDB3/AMI encoding, JTAG boundary scan support, and dual-rail system interface capability.
Technical Context
The IDT82V2082BFG integrates two independent receive paths with adaptive equalizers to compensate cable-induced distortion, plus AMI/B8ZS/HDB3 decoders and LOS/AIS detectors compliant with ANSI T1.102, ITU G.703, and ETSI 300-166. Each channel features configurable termination and programmable pulse shaping templates.
Transmit paths include waveform shapers with LBO up to -22.5 dB, PRBS/QRSS generators (2¹⁵−1 for E1, 2²⁰−1 for T1/J1), and a shared jitter attenuator placeable in either receive or transmit path. Control is supported via serial (SPI/I²C-compatible), parallel (Motorola/Intel non-multiplexed), or hardware pin modes.
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 and -43 dBm @ 1024 kHz - enables reliable signal recovery over degraded copper lines. |
| Line Encoding | B8ZS (T1), HDB3 (E1), AMI (J1) - selectable per channel via register or hardware pins. |
| Jitter Attenuation | Configurable placement (RX/TX path or disabled); meets ITU G.823 jitter transfer requirements. |
| Power Supply | Single 3.3 V core supply with 5 V tolerance on digital I/O - simplifies power design and supports legacy 5 V control logic. |
| 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. |
| Loopback Modes | Analog, digital, remote, and inband loopback - enables comprehensive in-system diagnostics without external test gear. |
Pinout & Package
Package: 80-pin TQFP (exposed pad), 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. |
| RCLK1 / RCLK2 | Receive Clock Output | Recovered clock output from CDR; frequency matches line rate; used for synchronous system timing. |
| RTIP1/RRING1 & RTIP2/RRING2 | Differential Receive Inputs | High-impedance inputs accepting T1/E1/J1 line signals; support adaptive equalization and LOS detection. |
| TTIP1/TRING1 & TTIP2/TRING2 | Differential Transmit Outputs | Line drivers with programmable LBO and short-circuit protection; support 75 Ω, 100 Ω, 110 Ω, or 120 Ω termination. |
| MODE[1:0] | Control Mode Select | Selects serial (SPI/I²C), parallel Motorola, parallel Intel, or hardware-only configuration mode. |
| JTAG TDI/TDO/TCK/TMS/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 redundancy without external relays or service interruption during failover. |
| Per-Channel Impedance Selection | Independent 75 Ω (E1), 100 Ω (T1), 110 Ω (J1), or 120 Ω (E1) termination per channel - eliminates BOM variants. |
| G.772 Non-Intrusive Monitoring | Real-time line monitoring without disrupting live traffic - supports carrier-grade network maintenance. |
| Programmable Pulse Shaping | Four preset templates + user-defined arbitrary waveform - ensures compliance across diverse cable lengths and topologies. |
| Integrated PRBS/QRSS Engine | 2¹⁵−1 PRBS for E1 and 2²⁰−1 QRSS for T1/J1 - enables full link-layer BER testing without external pattern generators. |
Applications
| CSU/DSU Equipment | Wireless Base Stations |
|---|---|
|
Use Scenario: Aggregating T1/E1 backhaul links between cell sites and mobile switching centers. IC Role / Device Role / Timing Role: Physical layer line interface handling framing, encoding, clock recovery, and jitter cleanup for synchronous transport. Use Value: Dual-channel integration reduces board space and component count while supporting mixed T1/E1 deployments in multi-standard base stations. |
Use Scenario: Providing resilient wired backhaul connectivity for 3G/4G macrocells where fiber is unavailable. IC Role / Device Role / Timing Role: Line interface unit performing adaptive equalization, LOS detection, and HPS for uninterrupted service during line faults. Use Value: Adaptive receive sensitivity and hitless switchover ensure >99.999% uptime in mission-critical radio access networks. |
| Enterprise Routers | IADs (Integrated Access Devices) |
|
Use Scenario: Edge routing platforms requiring T1/E1 WAN interfaces for MPLS or leased-line connectivity. IC Role / Device Role / Timing Role: Dual-channel LIU providing clock/data recovery, B8ZS/HDB3 decoding, and inband loopback for remote diagnostics. Use Value: Hardware-selectable control mode and 5 V-tolerant I/O simplify integration with existing MCU-based management subsystems. |
Use Scenario: Residential/branch office gateways combining VoIP, data, and PSTN line interfaces over single T1/E1. IC Role / Device Role / Timing Role: Line interface managing simultaneous voice and data channelization with G.772-compliant monitoring. Use Value: Integrated PRBS generation and error counters enable automated SLA verification and proactive line health reporting. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar line interface unit applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Microchip ZL38002 | Single-channel E1-only LIU; no T1/J1 support; lacks HPS and adaptive equalization. | Suitable only for E1-only deployments without redundancy requirements. | Choose when cost-sensitive E1-only designs prioritize footprint over flexibility. |
| Maxim MAX5865 | Single-channel T1/E1 transceiver; no J1 support; no integrated jitter attenuator or PRBS engine. | Limited to basic line interfacing without advanced diagnostics or protection switching. | Prefer for legacy T1/E1 systems where G.772 monitoring and HPS are not required. |
Compared with ZL38002 and MAX5865, the IDT82V2082BFG uniquely delivers dual-channel multimode (T1/E1/J1) operation, hitless 1+1 protection, adaptive equalization, and full G.772 monitoring - enabling consolidated BOMs and carrier-grade reliability in next-gen access equipment.
Availability
IDT82V2082BFG is available at Aetrix Electronics and suitable for CSU/DSU equipment, wireless base stations, and enterprise routers requiring stable component supply, long-term lifecycle support, and RoHS-compliant green packaging.
Supply support for IDT82V2082BFG 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) is a fabless semiconductor company specializing in timing, interface, and RF solutions for communications, computing, and industrial markets.
The IDT82V2082BFG belongs to IDT's legacy telecom line interface product line, designed specifically for carrier-class T1/E1/J1 physical layer interfacing in CSU/DSU, IAD, and wireless infrastructure equipment.
FAQ
What standards does the IDT82V2082BFG comply with?
The IDT82V2082BFG 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 Pub 62411. These cover electrical, timing, jitter, and protocol conformance for T1/E1/J1 line interfaces in global telecom networks.
Does the IDT82V2082BFG support both long-haul and short-haul line conditions?
Yes, the IDT82V2082BFG supports both long-haul and short-haul operation through programmable line build-out (LBO) and selectable wave-shaping templates. Its adaptive equalizer dynamically compensates for cable attenuation up to 655 ft for T1/J1 and variable distances for E1, meeting both ITU G.703 long-haul and short-haul specifications.
How is the IDT82V2082BFG configured - via software or hardware?
The IDT82V2082BFG supports both software and hardware configuration. Software control uses serial (SPI/I²C-compatible) or parallel (Motorola/Intel non-multiplexed) interfaces; hardware control uses MODE[1:0], TERM[1:0], JA[1:0], and other dedicated pins. Configuration includes encoding, impedance, LBO, and loopback settings - all accessible in either mode.
What is the role of the jitter attenuator in the IDT82V2082BFG?
The jitter attenuator in the IDT82V2082BFG is a configurable block that can be placed in either the receive or transmit path - or disabled - to meet ITU G.823 jitter transfer requirements. It cleans recovered clocks before distribution, reducing accumulated jitter in cascaded network elements and ensuring stable timing for downstream framer or PHY devices.
Is the IDT82V2082BFG pin-compatible with other IDT LIUs?
Yes, the IDT82V2082BFG is pin-compatible with IDT82V2042E (T1/E1/J1 short-haul LIU) and IDT82V2052E (E1 short-haul LIU), enabling drop-in upgrades and shared PCB layouts across multiple product generations and line condition requirements.
82V2082BFG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 81-LFBGA
- 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:
- 81-FPBGA (8x8)
82V2082BFG FAQ
1.How can I place an order for 82V2082BFG through Aetrix?
Please submit a Request for Quotation (RFQ) for 82V2082BFG 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 82V2082BFG reliable?
The price and inventory of 82V2082BFG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 82V2082BFG is usually 5 days.
3.What payment methods are accepted for 82V2082BFG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 82V2082BFG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 82V2082BFG?
82V2082BFG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 82V2082BFG 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 82V2082BFG?
For technical support, including 82V2082BFG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 82V2082BFG requirements.
6.How does Aetrix verify that 82V2082BFG is sourced from the original manufacturer or authorized distributors?
All 82V2082BFG 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 82V2082BFG meets industry standards.
7.What is the process for return or replacement of 82V2082BFG?
All 82V2082BFG units undergo pre-shipment inspection (PSI). If there is an issue with 82V2082BFG, 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 82V2082BFG part is unused and in its original packaging.
Return procedure for 82V2082BFG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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