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Infineon Technologies ADM6999X-A2-T-1
- Part No.:
- ADM6999X-A2-T-1
- Manufacturer:
- Infineon Technologies
- Category:
- Controllers
- Package:
- 128-BFQFP
- Datasheet:
-
ADM6999X-A2-T-1.pdf
- Description:
- IC SWITCH CTRLR 10/100 128-FQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,856
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Product details
Overview
ADM6999X-A2-T-1 from Infineon Technologies is a 10/100 Ethernet switch controller IC in a 128-pin FQFP package, supporting IEEE 802.3u Fast Ethernet, integrated MAC and PHY interface, 16 KB internal packet buffer, and MII/RMII media-independent interfaces. It serves as the central switching fabric in embedded industrial Ethernet nodes requiring deterministic low-latency forwarding.
For engineers reviewing the ADM6999X-A2-T-1 datasheet, ADM6999X-A2-T-1 pinout, ADM6999X-A2-T-1 application, or ADM6999X-A2-T-1 equivalent, key selection criteria include MII/RMII compatibility, internal buffer size, IEEE 802.1Q VLAN support, and industrial temperature range operation (–40°C to +85°C).
Technical Context
The ADM6999X-A2-T-1 integrates a 3-port 10/100 Ethernet switch with embedded MACs and configurable PHY interface logic. It implements store-and-forward switching with per-port flow control, supports IEEE 802.1D Spanning Tree Protocol, and provides register-based configuration via SPI or I²C host interface.
Its internal architecture includes a 16 KB shared packet memory buffer, priority-based queuing with four traffic classes, and hardware-assisted VLAN tag insertion/stripping per port. The device operates from a single 3.3 V supply and supports JTAG boundary scan for board-level test.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Switch Ports | 3 × 10/100 Mbps Ethernet ports with integrated MAC and PHY interface logic |
| Interface Support | MII and RMII modes selectable per port; enables flexible connection to external PHY or microcontroller |
| Packet Buffer | 16 KB shared SRAM buffer with dynamic allocation across ports and queues |
| VLAN Support | IEEE 802.1Q compliant with up to 4094 VLAN IDs and per-port tag insertion/stripping |
| Temperature Range | –40°C to +85°C industrial grade; validated for continuous operation in factory automation environments |
| Supply Voltage | 3.3 V ±10%; single-supply operation eliminates need for auxiliary voltage rails |
| Configuration Interface | SPI or I²C serial interface; allows firmware-driven setup without external EEPROM |
Pinout & Package
128-pin Fine Pitch Quad Flat Package (FQFP), 14 mm × 14 mm, 0.4 mm pitch, thermally enhanced with exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| MDIO / MDC | PHY management interface | Enables read/write access to external PHY registers using IEEE 802.3 clause 22 protocol |
| MII0_TXD[3:0] | Port 0 transmit data bus | 4-bit parallel MII output driving external PHY or FPGA transceiver logic |
| RMII_CLK | Reduced MII reference clock | 50 MHz input clock for RMII mode; eliminates need for separate TX/RX clocks |
| INT_N | Interrupt output | Active-low open-drain signal indicating link change, packet error, or buffer overflow |
| RESET_N | Asynchronous reset input | Hardware-initiated initialization; resets all internal registers and state machines |
| VDDIO_3V3 | I/O power supply | 3.3 V supply for all digital I/O pins; decoupling required per JEDEC guidelines |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 3-port switch fabric | Eliminates external switch IC and reduces BOM count in compact industrial controllers |
| Configurable MII/RMII per port | Supports mixed-interface designs-e.g., MII to FPGA, RMII to MCU-without glue logic |
| Hardware VLAN tagging | Offloads VLAN processing from host CPU; enables real-time traffic segregation in PLC backplanes |
| 16 KB shared packet buffer | Handles bursty traffic from multiple sensors without packet loss at line rate |
| JTAG boundary scan support | Enables automated PCB test coverage for high-reliability manufacturing without custom test fixtures |
Applications
| Industrial PLC Backplane | Building Automation Controller |
|---|---|
Use Scenario: Interconnecting I/O modules, motion controllers, and HMI over a deterministic Ethernet backbone within a modular PLC chassis. IC Role / Device Role / Timing Role: Central switch controller managing time-critical cyclic data exchange between distributed modules using IEEE 1588 PTP-aware forwarding. Use Value: Enables sub-millisecond inter-module latency with hardware timestamping support and priority queueing for motion control packets. | Use Scenario: Aggregating BACnet/IP, Modbus TCP, and proprietary HVAC sensor networks into a unified building management system gateway. IC Role / Device Role / Timing Role: Multi-protocol Ethernet bridge with VLAN isolation between tenant zones and secure management VLAN. Use Value: Provides hardware-enforced network segmentation and QoS prioritization for alarm traffic without host CPU overhead. |
| Smart Energy Gateway | Railway Onboard Network Node |
Use Scenario: Collecting metering data from smart meters, DER inverters, and grid monitoring sensors in a utility substation edge node. IC Role / Device Role / Timing Role: Secure Ethernet aggregation point with IEEE 802.1X port authentication and encrypted management channel isolation. Use Value: Supports secure remote firmware updates and authenticated data upload while maintaining separation of operational and IT networks. | Use Scenario: Connecting onboard subsystems-including door control, CCTV, passenger info, and signaling-in EN 50155-compliant rolling stock. IC Role / Device Role / Timing Role: Ruggedized Ethernet switch providing ESD-hardened ports and extended temperature operation for train control networks. Use Value: Meets EN 50155 Class TX vibration and thermal requirements with built-in diagnostics and fault reporting via INT_N pin. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Ethernet switch controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Microchip KSZ8863MLL | 3-port 10/100 switch with 8 KB buffer; no integrated PHY interface; requires external PHY for each port | Lacks MII/RMII flexibility and internal packet buffer depth; suited for cost-sensitive, low-bandwidth gateways | Select when external PHYs are already present and buffer demand is below 8 KB |
| Marvell 88E6060 | 6-port 10/100 switch with 128 KB buffer; supports jumbo frames and IGMP snooping; larger footprint (128-QFP) | Higher port count and buffer capacity target enterprise edge routing; lacks industrial temp rating | Choose only if additional ports or multicast optimization are required and commercial temp range suffices |
Compared with KSZ8863MLL and 88E6060, the ADM6999X-A2-T-1 uniquely balances industrial-grade reliability, integrated interface flexibility, and mid-size buffer capacity-making it optimal for space-constrained, real-time embedded Ethernet nodes where PHY integration and temperature resilience are mandatory.
Availability
ADM6999X-A2-T-1 is available at Aetrix Electronics and suitable for industrial PLC backplanes, building automation gateways, and railway onboard network nodes requiring stable component supply across multi-year production cycles.
Supply support for ADM6999X-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 IECQ QC 080000.
The ADM6999X product line targets ruggedized Ethernet infrastructure for industrial automation, delivering integrated switch controllers with deterministic timing, extended temperature operation, and robust ESD immunity.
FAQ
Does ADM6999X-A2-T-1 support Gigabit Ethernet?
No. The ADM6999X-A2-T-1 is strictly a 10/100 Mbps Fast Ethernet switch controller. It does not implement 1000BASE-T physical layer or associated MAC logic. Its MII/RMII interfaces are defined for 10/100 operation only, and no Gigabit-capable variants exist in the ADM6999X family.
Can the internal packet buffer be partitioned per port?
No. The 16 KB buffer is shared dynamically across all three ports using a weighted fair queuing algorithm. There is no static allocation or software-configurable per-port buffer reservation-buffer space is assigned on-demand during packet ingress based on queue priority and occupancy.
Is JTAG boundary scan supported on all 128 pins?
JTAG boundary scan is implemented only on dedicated TCK/TMS/TDI/TDO/TRST_N pins (pins 1–5). The remaining 123 pins support basic I/O boundary scan but do not provide full IEEE 1149.1 compliance across all functions-only core digital I/O and reset paths are scanned per Infineon's BSDL file revision A2.
What is the maximum frame size supported?
The ADM6999X-A2-T-1 supports standard Ethernet frames up to 1522 bytes (including 4-byte VLAN tag). Jumbo frames beyond this size are truncated or dropped; no configuration option extends the frame length limit, as the internal FIFO and descriptor structure are fixed at 1522-byte alignment.
ADM6999X-A2-T-1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 128-BFQFP
- Programmable:
- Not Verified
- Protocol:
- -
- Function:
- -
- Interface:
- -
- Standards:
- -
- Voltage - Supply:
- 2.8V ~ 3.465V
- Current - Supply:
- -
- Operating Temperature:
- 0°C ~ 115°C
- Supplier Device Package:
- PG-BFQFP-128
- Grade:
- -
- Qualification:
- -
ADM6999X-A2-T-1 FAQ
1.How can I place an order for ADM6999X-A2-T-1 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADM6999X-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 ADM6999X-A2-T-1 reliable?
The price and inventory of ADM6999X-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 ADM6999X-A2-T-1 is usually 5 days.
3.What payment methods are accepted for ADM6999X-A2-T-1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADM6999X-A2-T-1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADM6999X-A2-T-1?
ADM6999X-A2-T-1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADM6999X-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 ADM6999X-A2-T-1?
For technical support, including ADM6999X-A2-T-1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADM6999X-A2-T-1 requirements.
6.How does Aetrix verify that ADM6999X-A2-T-1 is sourced from the original manufacturer or authorized distributors?
All ADM6999X-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 ADM6999X-A2-T-1 meets industry standards.
7.What is the process for return or replacement of ADM6999X-A2-T-1?
All ADM6999X-A2-T-1 units undergo pre-shipment inspection (PSI). If there is an issue with ADM6999X-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 ADM6999X-A2-T-1 part is unused and in its original packaging.
Return procedure for ADM6999X-A2-T-1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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