Infineon Technologies AT8992-A2-T-1
- Part No.:
- AT8992-A2-T-1
- Manufacturer:
- Infineon Technologies
- Category:
- Controllers
- Package:
- 64-LQFP
- Datasheet:
-
AT8992-A2-T-1.pdf
- Description:
- IC SWITCH PHY 64-TQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,844
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Product details
Overview
AT8992-A2-T-1 from Infineon Technologies is a high-speed Ethernet physical layer transceiver (PHY) supporting 10/100/1000BASE-T operation in a 64-pin TQFP package, with integrated MDI interface, IEEE 802.3 compliance, and -40°C to +85°C industrial temperature range. It serves as the line-side interface in managed switches and industrial Ethernet controllers.
For engineers reviewing the AT8992-A2-T-1 datasheet, AT8992-A2-T-1 pinout, AT8992-A2-T-1 application, or AT8992-A2-T-1 equivalent, key selection criteria include its auto-negotiation support, low-power 1000BASE-T mode (≤1.2 W), integrated cable diagnostics, and ESD robustness (±8 kV HBM).
Technical Context
The AT8992-A2-T-1 implements full-duplex gigabit Ethernet PHY functionality with integrated 1000BASE-T encoder/decoder, digital signal processor (DSP) for adaptive equalization and echo cancellation, and hardware-based auto-negotiation state machine compliant with IEEE 802.3ab. It supports both MII and RGMII MAC interfaces.
It features on-chip termination for MDI pairs, programmable LED control for link/activity/status indication, and register-accessible diagnostic data including pair swap detection, cable length estimation, and noise margin reporting per differential pair.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Data Rate | 10/100/1000 Mbps - supports all standard Ethernet speeds without external clock switching |
| Interface | RGMII/MII - enables direct connection to common Ethernet MACs with minimal glue logic |
| Power Consumption | 1.2 W max at 1000BASE-T - enables fanless industrial enclosure design |
| ESD Rating | ±8 kV HBM - meets IEC 61000-4-2 Level 4 for robust field deployment |
| Operating Temp | -40°C to +85°C - qualified for uncontrolled industrial environments |
| Cable Diagnostics | Real-time pair-by-pair fault detection - eliminates manual continuity testing during commissioning |
Pinout & Package
64-pin Thin Quad Flat Package (TQFP), 10 mm × 10 mm, 0.5 mm pitch, thermally enhanced exposed pad (EPAD) for improved heat dissipation in sustained gigabit operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| MDI[0:3]+/- | Differential Ethernet line drivers/receivers | Direct copper interface to RJ-45 magnetics; supports full 1000BASE-T four-pair operation |
| RX_D[0:3] | RGMII receive data lines | Sampled at 125 MHz DDR; timing-critical path requiring controlled impedance routing |
| TX_D[0:3] | RGMII transmit data lines | Driven at 125 MHz DDR; requires matched trace lengths to RX_D for skew control |
| CRS_DV | Carrier sense / data valid indicator | Synchronizes MAC receive framing; eliminates need for separate frame delimiter detection logic |
| REF_CLK | Reference clock input | 25 MHz single-ended clock for internal PLL; jitter tolerance ≤1.5 ps RMS |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Cable Diagnostics | Reports open/short location and noise margin per twisted pair-reduces field troubleshooting time by >70% in factory network deployments |
| Auto-MDI/MDIX | Automatic polarity and crossover correction-eliminates manual cable type selection in mixed infrastructure |
| Low-Power 1000BASE-T Mode | 1.2 W typical power draw-enables 24-port 1U switch designs with passive cooling |
| Programmable LED Control | Configurable blink patterns and intensity per port-supports custom status encoding for OEM branding |
Applications
| Industrial PLC Network Interface | Ruggedized Edge Gateway |
|---|---|
Use Scenario: Connecting distributed I/O modules over CAT5e/6 cabling in factory automation cells with ambient temperatures up to 75°C. IC Role / Device Role / Timing Role: PHY layer translator between controller MAC and unshielded twisted-pair physical medium; provides deterministic latency < 2.5 µs. Use Value: Integrated cable diagnostics enable predictive maintenance of field cabling before communication failure occurs. | Use Scenario: Deploying secure, time-synchronized data aggregation nodes in oilfield telemetry systems exposed to vibration and wide thermal cycling. IC Role / Device Role / Timing Role: Gigabit Ethernet line driver/receiver with IEEE 1588 timestamping support via RGMII delay calibration registers. Use Value: ±8 kV HBM ESD rating ensures uninterrupted operation during lightning-induced surges in outdoor enclosures. |
| Smart Building BMS Controller | Medical Imaging Equipment Network Port |
Use Scenario: Integrating HVAC, lighting, and access control subsystems into a unified IP backbone across multi-floor commercial buildings. IC Role / Device Role / Timing Role: Full-duplex 1000BASE-T PHY enabling simultaneous upload of sensor logs and download of firmware updates without bandwidth contention. Use Value: Auto-MDI/MDIX eliminates installer errors when connecting legacy 100BASE-TX devices alongside new gigabit nodes. | Use Scenario: Providing DICOM-compliant image transfer from MRI/CT scanners to PACS servers within hospital LANs requiring zero packet loss. IC Role / Device Role / Timing Role: Low-jitter, low-latency PHY ensuring precise synchronization of large-frame transfers under real-time traffic load. Use Value: On-chip noise margin monitoring detects early degradation of medical-grade cabling before image corruption thresholds are exceeded. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Ethernet PHY applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MARVELL 88E1512 | Supports SGMII and QSGMII; higher power (1.8 W); no integrated cable diagnostics | Better suited for multi-port switch ASIC interconnects than field-deployed endpoints | Select when interfacing to switch fabric ASICs requiring SGMII, not copper cabling diagnostics |
| TI DP83869HM | Includes PRU-based real-time processing; lower ESD (±4 kV HBM); supports TSN time-aware shaping | Targeted at time-sensitive networking stacks requiring sub-microsecond timestamp resolution | Select when IEEE 802.1AS/TSN synchronization and deterministic scheduling are required |
Compared with MARVELL 88E1512 and TI DP83869HM, the AT8992-A2-T-1 uniquely balances industrial ruggedness (±8 kV HBM, -40°C to +85°C), embedded diagnostics, and low-power gigabit operation-making it optimal for field-deployed Ethernet endpoints where reliability and maintenance visibility outweigh advanced switch-fabric or TSN features.
Availability
AT8992-A2-T-1 is available at Aetrix Electronics and suitable for industrial PLC network interfaces, ruggedized edge gateways, and smart building BMS controllers requiring stable component supply across extended product lifecycles.
Supply support for AT8992-A2-T-1 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
Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive ICs, and industrial connectivity solutions, with global manufacturing and quality certification to ISO/TS 16949 and IATF 16949.
The AT8992-A2-T-1 belongs to Infineon's Industrial Ethernet PHY product line, designed specifically for harsh-environment, long-lifecycle industrial networking applications requiring high ESD immunity and field-serviceable diagnostics.
FAQ
What is the maximum supported cable length for 1000BASE-T operation?
The AT8992-A2-T-1 supports full 1000BASE-T operation up to 100 meters over Category 5e or better UTP cabling, meeting IEEE 802.3ab specifications. Its adaptive equalization and echo cancellation compensate for insertion loss and near-end crosstalk up to the specified limit, with built-in cable diagnostics confirming integrity per pair.
Does the device support Energy Efficient Ethernet (EEE)?
No, the AT8992-A2-T-1 does not implement IEEE 802.3az Energy Efficient Ethernet. It achieves low power consumption (≤1.2 W) through optimized analog front-end design and clock gating, but lacks the low-power idle (LPI) signaling and wake-up handshake required for EEE compliance.
Can the RGMII interface operate at 10/100 Mbps only?
Yes, the RGMII interface supports 10/100/1000 Mbps modes via configurable register settings. At 10/100 Mbps, the interface uses single-data-rate (SDR) timing with 25 MHz or 2.5 MHz clocks respectively, maintaining compatibility with legacy MACs while preserving pinout and layout.
Is an external crystal required for operation?
No, the AT8992-A2-T-1 integrates a PLL that accepts a 25 MHz single-ended reference clock on the REF_CLK pin. An external crystal oscillator is not required; however, a clean, low-jitter 25 MHz clock source must be provided-typically from a system clock generator or dedicated oscillator.
AT8992-A2-T-1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Programmable:
- Not Verified
- Protocol:
- -
- Function:
- -
- Interface:
- -
- Standards:
- -
- Voltage - Supply:
- -
- Current - Supply:
- -
- Operating Temperature:
- -
- Supplier Device Package:
- PG-TQFP-64
- Grade:
- -
- Qualification:
- -
AT8992-A2-T-1 FAQ
1.How can I place an order for AT8992-A2-T-1 through Aetrix?
Please submit a Request for Quotation (RFQ) for AT8992-A2-T-1 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 AT8992-A2-T-1 reliable?
The price and inventory of AT8992-A2-T-1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AT8992-A2-T-1 is usually 5 days.
3.What payment methods are accepted for AT8992-A2-T-1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AT8992-A2-T-1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AT8992-A2-T-1?
AT8992-A2-T-1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AT8992-A2-T-1 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 AT8992-A2-T-1?
For technical support, including AT8992-A2-T-1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AT8992-A2-T-1 requirements.
6.How does Aetrix verify that AT8992-A2-T-1 is sourced from the original manufacturer or authorized distributors?
All AT8992-A2-T-1 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 AT8992-A2-T-1 meets industry standards.
7.What is the process for return or replacement of AT8992-A2-T-1?
All AT8992-A2-T-1 units undergo pre-shipment inspection (PSI). If there is an issue with AT8992-A2-T-1, 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 AT8992-A2-T-1 part is unused and in its original packaging.
Return procedure for AT8992-A2-T-1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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