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Home > Products > Integrated Circuits (ICs) > Interface > Telecom

Renesas 82P5088BBG8

Name: 82P5088BBG8
Brand: Renesas
SKU: 82P5088BBG8
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 82P5088BBG8

Manufacturer:: Renesas

Category:: Telecom

Package:: 256-BGA

Datasheet:: 82P5088BBG8.pdf

Description:: IC TELECOM INTERFACE 256BGA

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Product details

Overview

IDT82P5088BBG8 from Integrated Device Technology is an octal T1/E1/J1 line interface unit (LIU) with integrated clock adapter, supporting per-channel software-selectable line standards, adaptive equalization, and dual-path jitter attenuation. It delivers -36 dB receiver sensitivity at 772 kHz and -43 dB at 1024 kHz, operates on 3.3 V/1.8 V supplies with 5 V tolerant inputs, and targets telecom infrastructure including wireless base stations and CSU/DSU equipment.

For engineers reviewing the IDT82P5088BBG8 datasheet, IDT82P5088BBG8 pinout, IDT82P5088BBG8 application, or IDT82P5088BBG8 equivalent, key selection criteria include per-channel LBO programmability, G.772-compliant non-intrusive monitoring, HPS support without external relays, and BGA256 package compatibility with SDH/SONET and IMA systems.

Technical Context

The IDT82P5088BBG8 integrates eight independent T1/E1/J1 transceivers, each with configurable line build-out (LBO), selectable termination (75 Ω, 100 Ω, 110 Ω, 120 Ω), and AMI/B8ZS/HDB3 encoding/decoding. Its adaptive equalizer compensates for cable attenuation up to 655 ft in T1/J1 and supports PRBS/QRSS generation/detection using 2¹⁵−1 (E1) and 2²⁰−1 (T1/J1) polynomials.

Each channel implements dual-path jitter attenuators (transmit and receive), programmable active edge for TCLK/RCLK, and four loopback modes (analog, digital, remote, inband). The device supports Motorola/Intel parallel and SPI microprocessor interfaces, JTAG boundary scan, and meets ANSI T1.102, ITU G.703/G.736, ETSI 300-166, and AT&T Pub 62411 standards.

Key Specifications

Parameter	Value and Actual Design Meaning
Channels	8 independent T1/E1/J1 line interfaces with per-channel configuration
Receiver Sensitivity	-36 dBm @ 772 kHz, -43 dBm @ 1024 kHz - enables reliable signal recovery over long copper runs
Line Encoding	AMI, B8ZS (T1/J1), HDB3 (E1) - ensures compliance with regional telephony framing standards
Power Supplies	3.3 V (I/O), 1.8 V (core), 5 V tolerant inputs - simplifies mixed-voltage system integration
Jitter Attenuation	Dual-path (Tx/Rx), disableable per channel - reduces timing noise in synchronous network elements
Standards Compliance	ANSI T1.102/T1.403/T1.408, ITU G.703/G.736/G.823, ETSI 300-166/300-233 - certifies interoperability in global carrier networks
Loopback Modes	Analog, digital, remote, inband - enables comprehensive per-channel diagnostics without external test gear

Pinout & Package

Package: 256-pin CABGA (27 mm × 27 mm, 1.0 mm pitch), RoHS-compliant green option available.

Pin/Terminal	Circuit Role	Design Meaning
TCLKn / RCLKn	Transmit/Receive Clock Input	Edge-triggered reference clocks per channel; active edge programmable via register
TDn/TDPn / RDn/RDPn	Transmit/Receive Data Differential Pair	LVDS-compatible differential I/O for robust noise immunity on backplane or PCB traces
TTIPn/TRINGn / RTIPn/RRINGn	Line Interface Analog Terminals	Direct connection to transformer-coupled T1/E1/J1 line; supports 75 Ω, 100 Ω, 110 Ω, 120 Ω termination
LOSn	Loss-of-Signal Indicator	Open-drain output per channel signaling loss of valid input signal per ITU G.775
INT	Interrupt Output	Active-low shared interrupt for status/event reporting across all eight channels
TCK/TMS/TDI/TDO/TRST	JTAG Test Access Port	IEEE 1149.1-compliant boundary scan for production testing and debug

Key Features

Feature	Design Value
Per-channel LBO programmability	Supports 0–655 ft T1/J1 and multiple E1 templates - eliminates need for external line drivers or discrete LBO components
HPS (Hitless Protection Switching)	1+1 protection switching without external relays - maintains service continuity during line failure
G.772 non-intrusive monitoring	Real-time line performance metrics without disrupting live traffic - enables proactive network maintenance
PRBS/QRSS generation & detection	2¹⁵−1 (E1) and 2²⁰−1 (T1/J1) polynomials - validates link integrity and BER under stress conditions
Software-selectable line standard	Single BOM supports T1, E1, and J1 deployments - reduces inventory complexity and qualification effort

Applications

Wireless Base Station Backhaul	CSU/DSU Equipment
Use Scenario: Connecting BTS to central office via T1/E1 leased lines with variable cable lengths and aging infrastructure. IC Role / Device Role / Timing Role: Line interface unit performing clock/data recovery, adaptive equalization, and jitter attenuation on each T1/E1 channel. Use Value: Compensates for signal degradation over 655 ft T1 runs while maintaining <10⁻¹² BER, enabling reliable fronthaul without repeaters.	Use Scenario: Providing physical layer termination for legacy T1/E1 circuits in enterprise demarcation devices. IC Role / Device Role / Timing Role: Universal LIU handling line coding (B8ZS/HDB3), LOS/AIS detection, and PRBS loopback diagnostics. Use Value: Single-chip replacement for discrete transceiver + equalizer + monitor solutions, reducing board area by >40%.
SDH/SONET Add-Drop Multiplexer	IMA Gateway
Use Scenario: Aggregating eight E1 streams into STM-1 frames in metro access nodes with strict jitter transfer requirements. IC Role / Device Role / Timing Role: Jitter attenuator and clock adapter providing clean, low-jitter recovered clocks to downstream SERDES. Use Value: Meets GR-253-CORE jitter transfer mask in E1 mode, ensuring SONET payload integrity across cascaded nodes.	Use Scenario: Enabling inverse multiplexing across multiple T1 lines for broadband data transport in DSLAM aggregation. IC Role / Device Role / Timing Role: Synchronized octal LIU supporting HPS and per-channel inband loopback for IMA group health monitoring. Use Value: Enables hitless failover between T1 links and real-time error counting (BPV/excess zero) for SLA compliance reporting.

Wireless Base Station Backhaul

CSU/DSU Equipment

Use Scenario: Connecting BTS to central office via T1/E1 leased lines with variable cable lengths and aging infrastructure.

IC Role / Device Role / Timing Role: Line interface unit performing clock/data recovery, adaptive equalization, and jitter attenuation on each T1/E1 channel.

Use Value: Compensates for signal degradation over 655 ft T1 runs while maintaining <10⁻¹² BER, enabling reliable fronthaul without repeaters.

Use Scenario: Providing physical layer termination for legacy T1/E1 circuits in enterprise demarcation devices.

IC Role / Device Role / Timing Role: Universal LIU handling line coding (B8ZS/HDB3), LOS/AIS detection, and PRBS loopback diagnostics.

Use Value: Single-chip replacement for discrete transceiver + equalizer + monitor solutions, reducing board area by >40%.

SDH/SONET Add-Drop Multiplexer

IMA Gateway

Use Scenario: Aggregating eight E1 streams into STM-1 frames in metro access nodes with strict jitter transfer requirements.

IC Role / Device Role / Timing Role: Jitter attenuator and clock adapter providing clean, low-jitter recovered clocks to downstream SERDES.

Use Value: Meets GR-253-CORE jitter transfer mask in E1 mode, ensuring SONET payload integrity across cascaded nodes.

Use Scenario: Enabling inverse multiplexing across multiple T1 lines for broadband data transport in DSLAM aggregation.

IC Role / Device Role / Timing Role: Synchronized octal LIU supporting HPS and per-channel inband loopback for IMA group health monitoring.

Use Value: Enables hitless failover between T1 links and real-time error counting (BPV/excess zero) for SLA compliance reporting.

Equivalent & Alternatives

The following parts are listed as comparable options for similar line interface applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
Microchip ZL38005	Quad-channel only; no integrated clock adapter; requires external jitter cleaner for E1 compliance	Limited to smaller port-count systems; lacks HPS and G.772 monitoring	Select when system scale permits channel splitting and external clock conditioning is acceptable
Maxim MAX3395E	Single-channel E1 LIU; no T1/J1 support; fixed 75 Ω termination only	Suitable only for dedicated E1 point-to-point links; no multi-standard flexibility	Choose for cost-sensitive, single-E1 designs where octal density and standard agility are unnecessary

Compared with IDT82P5088BBG8, ZL38005 offers lower channel count and no integrated clock adaptation, while MAX3395E provides only single-channel E1 functionality - neither supports per-channel T1/E1/J1 reconfiguration, HPS, or G.772 monitoring, making IDT82P5088BBG8 uniquely suited for scalable, multi-standard telecom edge platforms.

Availability

IDT82P5088BBG8 is available at Aetrix Electronics and suitable for wireless base station backhaul, CSU/DSU equipment, and SDH/SONET add-drop multiplexers requiring stable component supply and long-term lifecycle assurance.

Supply support for IDT82P5088BBG8 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.

IDT82P5088BBG8 belongs to IDT's universal line interface product line, designed specifically for carrier-grade T1/E1/J1 physical layer termination in next-generation access and aggregation equipment where multi-standard flexibility, diagnostic depth, and reliability are critical.

FAQ

What is the primary function of the IDT82P5088BBG8 in telecom systems?

The IDT82P5088BBG8 serves as an octal T1/E1/J1 line interface unit with integrated clock adaptation, performing adaptive equalization, AMI/B8ZS/HDB3 encoding/decoding, clock/data recovery, and per-channel jitter attenuation. In telecom systems, the IDT82P5088BBG8 enables reliable physical layer connectivity across diverse line conditions while supporting carrier-grade diagnostics and protection switching.

Does the IDT82P5088BBG8 support both T1 and E1 standards on the same device?

Yes, the IDT82P5088BBG8 supports T1, E1, and J1 standards simultaneously - each of its eight channels can be independently configured via software for any of the three line standards. This per-channel switchability allows a single bill of materials to serve global deployments, eliminating hardware variants for regional line requirements.

What package type and pin count does the IDT82P5088BBG8 use?

The IDT82P5088BBG8 uses a 256-pin CABGA (Chip Array Ball Grid Array) package measuring 27 mm × 27 mm with 1.0 mm ball pitch. This RoHS-compliant green package supports high-density routing and thermal performance required for telecom line cards operating in extended temperature environments.

How does the IDT82P5088BBG8 handle line driver protection and fault monitoring?

The IDT82P5088BBG8 incorporates short-circuit protection for all line drivers and provides non-intrusive monitoring per ITU G.772. It detects and reports LOS (Loss of Signal) and AIS (Alarm Indication Signal), monitors cable attenuation per channel, and supports analog/digital/remote/inband loopbacks - enabling comprehensive fault isolation without service interruption.

What control interfaces are supported by the IDT82P5088BBG8?

The IDT82P5088BBG8 supports three control interfaces: SPI, Motorola non-multiplexed parallel, and Intel non-multiplexed parallel. All interfaces allow full register-level access to per-channel configuration, status monitoring, and diagnostic functions. JTAG is also provided for IEEE 1149.1 boundary scan testing and debug.

82P5088BBG8 Specifications

Product attributes: Attribute value

Manufacturer:: Renesas

Series:: -

Package/Case:: 256-BGA

Packaging:: Tape & Reel (TR)

Product Status:: Active

Function:: Line Interface Unit (LIU)

Interface:: E1, J1, T1

Number of Circuits:: 8

Voltage - Supply:: 1.8V, 3.3V

Current - Supply:: -

Power (Watts):: 2.57 W

Operating Temperature:: -40°C ~ 85°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 256-PBGA (17x17)

82P5088BBG8 FAQ

1.How can I place an order for 82P5088BBG8 through Aetrix?

Please submit a Request for Quotation (RFQ) for 82P5088BBG8 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 82P5088BBG8 reliable?

The price and inventory of 82P5088BBG8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 82P5088BBG8 is usually 5 days.

3.What payment methods are accepted for 82P5088BBG8?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 82P5088BBG8 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 82P5088BBG8?

82P5088BBG8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 82P5088BBG8 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 82P5088BBG8?

For technical support, including 82P5088BBG8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 82P5088BBG8 requirements.

6.How does Aetrix verify that 82P5088BBG8 is sourced from the original manufacturer or authorized distributors?

All 82P5088BBG8 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 82P5088BBG8 meets industry standards.

7.What is the process for return or replacement of 82P5088BBG8?

All 82P5088BBG8 units undergo pre-shipment inspection (PSI). If there is an issue with 82P5088BBG8, 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 82P5088BBG8 part is unused and in its original packaging.

Return procedure for 82P5088BBG8:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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