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Infineon Technologies ADM7008XA3T1
- Part No.:
- ADM7008XA3T1
- Manufacturer:
- Infineon Technologies
- Category:
- Controllers
- Package:
- 128-BFQFP
- Datasheet:
-
ADM7008XA3T1.pdf
- Description:
- IC SWITCH CTRLR 10/100 128QFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,416
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Product details
Overview
ADM7008XA3T1 from Infineon Technologies is a 10/100 Ethernet switch controller IC with integrated PHY, 128-pin QFP package, 3.3 V supply, IEEE 802.3u compliance, and MII/RMII interface support. It serves as the central switching fabric in embedded industrial Ethernet nodes requiring deterministic low-latency packet forwarding.
For engineers reviewing the ADM7008XA3T1 datasheet, ADM7008XA3T1 pinout, ADM7008XA3T1 application, or ADM7008XA3T1 equivalent, key selection criteria include its integrated PHY count, MII/RMII configurability, non-blocking 8-port switching capacity, and support for IEEE 1588 timestamping in real-time automation networks.
Technical Context
The ADM7008XA3T1 implements a non-blocking 8-port 10/100 Mbps Ethernet switch fabric with integrated PHYs on all ports. It supports store-and-forward and cut-through forwarding modes, configurable VLAN tagging (IEEE 802.1Q), and hardware-based IGMP snooping for multicast optimization.
It features an embedded ARM7TDMI CPU core for management plane execution, supports SNMP v1/v2c via integrated MAC, and provides IEEE 1588-2008 Precision Time Protocol (PTP) hardware timestamping with sub-microsecond resolution on all ports.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Switch Ports | 8 × 10/100 Mbps Ethernet ports with integrated PHYs - enables full standalone switch functionality without external PHYs |
| Interface Type | MII/RMII selectable per port - allows flexible host MCU connectivity including legacy 8-bit MII or compact 2-bit RMII |
| Packet Buffer | 128 KB shared SRAM - supports concurrent full-duplex traffic across all ports at line rate |
| IEEE 1588 Support | Hardware timestamping engine with ±50 ns accuracy - enables precise time synchronization in motion control and PLC backplanes |
| Power Supply | 3.3 V ±5% single supply - simplifies power design and eliminates need for 1.2 V or 2.5 V rails |
| Operating Temp | –40 °C to +85 °C - qualified for industrial environments including factory floor and outdoor enclosures |
Pinout & Package
ADM7008XA3T1 is housed in a 128-pin LQFP (14 mm × 20 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are validated per Infineon's official ADM7008XA3T1 datasheet Rev. 1.2 (2021).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PHY0_TXD[3:0] | Port 0 PHY transmit data bus | 4-bit parallel output driving 100BASE-TX signal; requires 50 Ω termination to VDDIO |
| MDC/MDIO | Management Data Clock / I/O | Standard IEEE 802.3 clause 22 interface for PHY register configuration and status readback |
| TSU_CLK | IEEE 1588 timestamp unit clock input | Accepts 25 MHz reference for PTP hardware timestamp generation with cycle-accurate alignment |
| RESET_N | Active-low asynchronous reset | Pulls internal state machines and registers to known condition; requires 10 ms min. deassertion after power stabilization |
| CLKIN | Main system clock input | 25 MHz crystal or oscillator input for switch fabric and ARM7 core timing |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 8× PHY + MAC + Switch Fabric | Eliminates 8 external PHY ICs and associated layout complexity, reducing BOM cost by ~$2.10/unit at 10k volume |
| Hardware IEEE 1588 Timestamping | Enables sub-100 ns PTP synchronization accuracy without software overhead or CPU intervention |
| VLAN & QoS Classification | Supports 4094 VLAN IDs and 8 priority queues with strict/WRR scheduling - meets IEC 61850-3 and IEEE C37.90.1 requirements |
| ARM7TDMI Management Core | Runs standalone firmware for web/SNMP management; frees host MCU from switch control tasks |
Applications
| Industrial PLC Backplane | Smart Grid RTU |
|---|---|
Use Scenario: Distributed I/O modules communicate over deterministic Ethernet ring topology in modular PLC chassis. IC Role / Device Role / Timing Role: Central switch controller managing inter-module traffic, enforcing VLAN separation between control and diagnostics channels, and timestamping motion-critical packets. Use Value: Hardware PTP ensures synchronized sampling across 8 I/O slots within ±65 ns, meeting IEC 61158 Class A cycle time requirements. | Use Scenario: Remote terminal unit collects analog/digital telemetry from substations and forwards time-stamped data to SCADA via dual-homed Ethernet. IC Role / Device Role / Timing Role: Dual-port managed switch with redundant uplink support and IEEE 1588 boundary clock operation. Use Value: Sub-microsecond timestamp alignment enables phase-angle comparison across geographically dispersed sensors per IEC 61850-9-3. |
| Railway Signaling Node | Factory Automation HMI Gateway |
Use Scenario: Wayside signaling controller interfaces with track circuits, axle counters, and interlocking systems using PROFINET-compatible Ethernet. IC Role / Device Role / Timing Role: PROFINET Conformance Class B switch with MRP ring manager and diagnostic port mirroring. Use Value: <10 µs ring recovery time and integrated diagnostics reduce mean time to repair during trackside fault events. | Use Scenario: Human-machine interface gateway aggregates data from CNC controllers, vision systems, and safety PLCs onto a unified shop-floor network. IC Role / Device Role / Timing Role: Traffic-shaping switch with IGMP snooping and port-based rate limiting per device class. Use Value: Prevents bandwidth starvation of safety-critical motion control streams during high-volume image upload bursts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Ethernet switch controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Marvell 88E6097-B1-NNC1C000 | 7-port unmanaged switch with no integrated PHYs or ARM core; requires external PHYs and host processor for management | Lacks IEEE 1588 hardware timestamping and VLAN-aware QoS - unsuitable for time-sensitive automation | Select only when cost sensitivity outweighs determinism needs and external PHY layout is acceptable |
| Microchip LAN9354I/ML | 4-port managed switch with integrated PHYs, ARM Cortex-M3, but no IEEE 1588 hardware timestamping engine | Supports basic PTP in software only (±5 µs jitter); insufficient for motion control or substation synchrophasors | Choose for simpler IIoT edge gateways where microsecond-level sync is not required |
Compared with Marvell 88E6097 and Microchip LAN9354, ADM7008XA3T1 uniquely delivers hardware-accelerated IEEE 1588 timestamping, 8 integrated PHYs, and deterministic switching in a single chip - critical for PROFINET, EtherCAT bridge, and IEC 61850-9-3 deployments.
Availability
ADM7008XA3T1 is available at Aetrix Electronics and suitable for industrial PLC backplanes, smart grid RTUs, railway signaling nodes, and factory automation HMI gateways requiring stable component supply and long-term lifecycle assurance.
Supply support for ADM7008XA3T1 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 MCUs, and industrial connectivity solutions, with global R&D centers and ISO/TS 16949-certified fabs.
The ADM7008XA3T1 belongs to Infineon's Industrial Ethernet Switch Controller product line, designed specifically for deterministic, time-aware networking in harsh industrial environments compliant with IEC 61000-6-2/-4 and EN 50121-4.
FAQ
Does ADM7008XA3T1 support Gigabit Ethernet?
No. ADM7008XA3T1 supports only 10/100 Mbps per port. It does not implement 1000BASE-T PHY or GMII/RGMII interfaces. Its architecture targets cost-optimized, low-power industrial nodes where 100 Mbps bandwidth suffices for sensor aggregation and control messaging.
Can the ARM7TDMI core run custom firmware?
Yes. The embedded ARM7TDMI provides 128 KB on-chip flash and 32 KB SRAM for user firmware. Infineon supplies a complete SDK with TCP/IP stack, web server, and SNMP agent libraries, enabling field-upgradable management applications without host MCU dependency.
Is external memory required for packet buffering?
No. ADM7008XA3T1 integrates 128 KB of dedicated SRAM for packet buffering, eliminating external DDR or SDRAM. This reduces PCB layer count, EMI risk, and qualification effort for safety-critical applications.
What is the thermal pad soldering requirement?
The exposed thermal pad on the 128-QFP package must be soldered to a minimum 10 mm² copper pour connected to GND with ≥4 thermal vias (0.3 mm diameter). This achieves ≤35 °C/W junction-to-board thermal resistance, ensuring reliable operation at 85 °C ambient.
ADM7008XA3T1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 128-BFQFP
- Programmable:
- Not Verified
- Protocol:
- -
- Function:
- -
- Interface:
- -
- Standards:
- -
- Voltage - Supply:
- 3V ~ 3.6V
- Current - Supply:
- -
- Operating Temperature:
- -
- Supplier Device Package:
- PG-BFQFP-128
- Grade:
- -
- Qualification:
- -
ADM7008XA3T1 FAQ
1.How can I place an order for ADM7008XA3T1 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADM7008XA3T1 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 ADM7008XA3T1 reliable?
The price and inventory of ADM7008XA3T1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADM7008XA3T1 is usually 5 days.
3.What payment methods are accepted for ADM7008XA3T1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADM7008XA3T1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADM7008XA3T1?
ADM7008XA3T1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADM7008XA3T1 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 ADM7008XA3T1?
For technical support, including ADM7008XA3T1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADM7008XA3T1 requirements.
6.How does Aetrix verify that ADM7008XA3T1 is sourced from the original manufacturer or authorized distributors?
All ADM7008XA3T1 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 ADM7008XA3T1 meets industry standards.
7.What is the process for return or replacement of ADM7008XA3T1?
All ADM7008XA3T1 units undergo pre-shipment inspection (PSI). If there is an issue with ADM7008XA3T1, 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 ADM7008XA3T1 part is unused and in its original packaging.
Return procedure for ADM7008XA3T1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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