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AMD XC4VFX20-11FF672I
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- Part No.:
- XC4VFX20-11FF672I
- Manufacturer:
- AMD
- Category:
- FPGAs (Field Programmable Gate Array)
- Package:
- 672-BBGA, FCBGA
- Datasheet:
-
XC4VFX20-11FF672I.pdf
- Description:
- IC FPGA 320 I/O 672FCBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,707
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Product details
Overview
XC4VFX20-11FF672I from AMD is a Virtex-4 FX family FPGA with 20,800 logic cells, embedded PowerPC 405 RISC processors, and integrated multi-gigabit transceivers operating up to 3.125 Gbps. It features 1.25 MB of block RAM, 192 DSP48 slices, and supports PCI Express x1 endpoint functionality in the FF672 flip-chip BGA package. It is used in high-speed communication line cards requiring protocol acceleration and real-time packet processing.
For engineers reviewing the XC4VFX20-11FF672I datasheet, pinout, applications, or equivalent options, key selection criteria include transceiver data rate compliance, PowerPC core availability, PCI Express endpoint capability, and I/O bank voltage flexibility for mixed-signal interface design.
Technical Context
The XC4VFX20-11FF672I integrates two hardened PowerPC 405 cores with on-chip instruction and data caches, enabling embedded software execution alongside programmable logic. Its 16 multi-gigabit transceivers support protocols including Serial RapidIO, Aurora, and 10 Gigabit Ethernet PHY layer interfacing.
It implements SelectIO technology with support for LVDS, SSTL, HSTL, and differential signaling standards across 16 I/O banks. Configuration is performed via Master SelectMAP, Slave SelectMAP, or JTAG, with bitstream encryption available using AES-128.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Cells | 20,800 - determines maximum combinational/sequential logic capacity for custom datapath implementation |
| Block RAM | 1.25 MB - provides on-die memory for FIFOs, buffers, or lookup tables without external memory interface |
| DSP Slices | 192 × DSP48 - enables parallel multiply-accumulate operations for filtering or FFT computation |
| Transceivers | 16 × 3.125 Gbps - supports full-rate SerDes links for backplane or optical module interfacing |
| I/O Banks | 16 - allows independent voltage assignment per bank for interfacing with multiple voltage-domain peripherals |
| PCIe Support | Endpoint x1 - enables direct attachment to host systems without bridge logic or additional controller IC |
Pinout & Package
XC4VFX20-11FF672I is housed in a 672-pin flip-chip fine-pitch BGA (FF672) package with 29 × 29 mm body size, 1.0 mm ball pitch, and thermal lid. Pin functions are organized into dedicated configuration, clock, JTAG, PowerPC debug, and multi-standard I/O banks.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CCLK | Configuration Clock Input | Drives internal configuration shift register during Master SelectMAP mode |
| DIN | Configuration Data Input | Serial bitstream input for FPGA configuration in Master SelectMAP |
| PROGRAM_B | Global Reset Input | Asynchronous active-low signal that clears configuration memory and resets logic |
| INIT_B | Configuration Status Output | Open-drain output indicating successful bitstream loading or error condition |
| M0–M2 | Mode Selection Inputs | Set configuration mode (JTAG, Slave SelectMAP, Master SelectMAP, etc.) at power-up |
Key Features
| Feature | Design Value |
|---|---|
| Hard PowerPC 405 Cores | Two embedded 32-bit RISC processors enable concurrent firmware-driven control and hardware-accelerated datapath |
| Multi-Gigabit Transceivers | 16 transceivers with built-in 8B/10B encoding/decoding support serial protocols without external PHY ICs |
| SelectIO Technology | Per-bank I/O standard selection (LVDS, SSTL-2, HSTL-I, etc.) simplifies mixed-voltage board interface design |
| AES-128 Bitstream Encryption | Protects intellectual property by preventing unauthorized readback or cloning of programmed logic configuration |
Applications
| Wireless Baseband Processing | Optical Transport Line Cards |
|---|---|
Use Scenario: Real-time channel coding, modulation/demodulation, and MIMO signal processing in LTE/5G remote radio units. IC Role / Device Role / Timing Role: FPGA fabric implements custom PHY-layer accelerators while PowerPC cores manage MAC-layer scheduling and RF calibration. Use Value: Eliminates need for separate DSP and controller ICs, reducing latency and board area in compact RRUs. | Use Scenario: Framing, overhead processing, and forward error correction in 10G/40G OTN transport equipment. IC Role / Device Role / Timing Role: Acts as line-interface processor with SerDes links to optical modules and backplane-facing PCIe or SRIO interfaces. Use Value: Integrates protocol stack offload and high-speed serial I/O in single device, lowering system power and component count. |
| Industrial Machine Vision Controllers | Defense Radar Signal Processors |
Use Scenario: High-throughput image preprocessing, feature extraction, and real-time decision logic in automated inspection systems. IC Role / Device Role / Timing Role: Configurable logic handles pixel pipeline processing; PowerPC runs vision algorithm middleware and Ethernet/IP stack. Use Value: Enables deterministic low-latency image analysis with software-defined reconfiguration for varying camera resolutions and lighting conditions. | Use Scenario: Pulse compression, beamforming, and synthetic aperture radar (SAR) processing in airborne radar subsystems. IC Role / Device Role / Timing Role: FPGA fabric executes time-critical digital downconversion and matched filtering; PowerPC manages system control and health monitoring. Use Value: Meets MIL-STD-810 shock/vibration requirements while supporting field-upgradable radar modes via encrypted bitstream reload. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar FPGA-based protocol acceleration and embedded processing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Xilinx XC4VFX12-11FF672I | Fewer logic cells (12,312), reduced block RAM (720 KB), and only 12 transceivers | Suitable for lower-bandwidth line cards or cost-sensitive edge nodes where full XC4VFX20 capacity is unused | Select when PCIe x1 endpoint and dual PowerPC cores remain essential but transceiver count and logic density can be scaled down |
| Xilinx XC5VLX30-1FF676C | Virtex-5 architecture; no embedded PowerPC cores; higher logic density (30,380 LUTs); supports PCIe x4 | Better suited for pure logic-intensive tasks without hard processor requirements, e.g., video encode/decode pipelines | Choose when software co-processing is unnecessary and higher serial bandwidth or logic capacity justifies migration to Virtex-5 platform |
Compared with XC4VFX20-11FF672I, XC4VFX12-11FF672I offers reduced resources at lower cost for simpler endpoints, while XC5VLX30-1FF676C trades PowerPC integration for greater logic scalability and PCIe x4 support-requiring architectural redesign but enabling future bandwidth growth.
Availability
XC4VFX20-11FF672I is available at Aetrix Electronics and suitable for wireless infrastructure, optical transport, and defense electronics requiring stable component supply across extended product lifecycles.
Supply support for XC4VFX20-11FF672I 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
AMD (formerly Xilinx) designs high-performance adaptive computing platforms for aerospace, communications, and industrial applications.
The Virtex-4 FX family was engineered to unify programmable logic, embedded processing, and high-speed serial I/O for next-generation communication and signal processing systems.
FAQ
What is the maximum data rate supported by each transceiver in the XC4VFX20-11FF672I?
The XC4VFX20-11FF672I supports a maximum transceiver data rate of 3.125 Gbps per lane. This rate is validated for protocols including Serial RapidIO, Aurora, and 10 Gigabit Ethernet physical layer interfaces. The XC4VFX20-11FF672I transceivers include built-in clock data recovery (CDR), 8B/10B encoding, and elastic buffers to maintain signal integrity at full speed.
Does the XC4VFX20-11FF672I include hard processor cores?
Yes, the XC4VFX20-11FF672I integrates two hard PowerPC 405 RISC processor cores with 32 KB instruction cache and 32 KB data cache per core. These are not soft-core implementations - they are silicon-hardened blocks delivering deterministic performance. The XC4VFX20-11FF672I uses these cores for real-time control, protocol stack handling, and system management alongside FPGA logic.
What configuration methods are supported by the XC4VFX20-11FF672I?
The XC4VFX20-11FF672I supports Master SelectMAP, Slave SelectMAP, and JTAG configuration modes. Mode selection is controlled by M0–M2 pins at power-up. It also supports bitstream encryption using AES-128, and configuration can be initiated via CCLK/DIN or boundary-scan instructions. The XC4VFX20-11FF672I does not require external microcontroller bootloading in Master SelectMAP mode.
Is the XC4VFX20-11FF672I compatible with PCI Express Gen1 x1 endpoints?
Yes, the XC4VFX20-11FF672I implements a compliant PCI Express Gen1 x1 endpoint solution using its integrated transceivers and dedicated PCIe hard IP blocks. It supports link training, power management states (L0–L2), and transaction layer packet handling. The XC4VFX20-11FF672I requires no external PCIe switch or bridge IC to function as an endpoint in host systems.
What I/O standards are supported by the XC4VFX20-11FF672I?
The XC4VFX20-11FF672I supports LVDS, SSTL-2, SSTL-3, HSTL-I, HSTL-II, and differential HSTL across its 16 configurable I/O banks. Each bank operates independently at voltages from 1.2 V to 3.3 V, enabling direct interfacing with DDR2 memory, ADCs, DACs, and legacy parallel buses. The XC4VFX20-11FF672I does not support newer standards like MIPI or LPDDR4.
XC4VFX20-11FF672I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- AMD
- Series:
- Virtex®-4 FX
- Package/Case:
- 672-BBGA, FCBGA
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Number of LABs/CLBs:
- 2136
- Number of Logic Elements/Cells:
- 19224
- Total RAM Bits:
- 1253376
- Number of I/O:
- 320
- Number of Gates:
- -
- Voltage - Supply:
- 1.14V ~ 1.26V
- Mounting Type:
- Surface Mount
- Operating Temperature:
- -40°C ~ 100°C (TJ)
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 672-FCBGA (27x27)
XC4VFX20-11FF672I FAQ
1.How can I place an order for XC4VFX20-11FF672I through Aetrix?
Please submit a Request for Quotation (RFQ) for XC4VFX20-11FF672I 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 XC4VFX20-11FF672I reliable?
The price and inventory of XC4VFX20-11FF672I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XC4VFX20-11FF672I is usually 5 days.
3.What payment methods are accepted for XC4VFX20-11FF672I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XC4VFX20-11FF672I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XC4VFX20-11FF672I?
XC4VFX20-11FF672I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XC4VFX20-11FF672I 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 XC4VFX20-11FF672I?
For technical support, including XC4VFX20-11FF672I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XC4VFX20-11FF672I requirements.
6.How does Aetrix verify that XC4VFX20-11FF672I is sourced from the original manufacturer or authorized distributors?
All XC4VFX20-11FF672I 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 XC4VFX20-11FF672I meets industry standards.
7.What is the process for return or replacement of XC4VFX20-11FF672I?
All XC4VFX20-11FF672I units undergo pre-shipment inspection (PSI). If there is an issue with XC4VFX20-11FF672I, 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 XC4VFX20-11FF672I part is unused and in its original packaging.
Return procedure for XC4VFX20-11FF672I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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