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AMD XC4VLX25-10FFG668I
- Part No.:
- XC4VLX25-10FFG668I
- Manufacturer:
- AMD
- Category:
- FPGAs (Field Programmable Gate Array)
- Package:
- 668-BBGA, FCBGA
- Datasheet:
-
XC4VLX25-10FFG668I.pdf
- Description:
- IC FPGA 448 I/O 668FCBGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,652
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Product details
Overview
XC4VLX25-10FFG668I from AMD (formerly Xilinx) is a Virtex-4 LX family FPGA with 24,192 logic cells, 1.2 Mb of block RAM, and 192 DSP48 slices, configured in a 668-pin Fine-Pitch Flip-Chip BGA (FFG) package with 0.8 mm pitch and lead-free finish. It targets high-performance embedded processing and reconfigurable digital signal processing in telecom infrastructure equipment.
For engineers reviewing the XC4VLX25-10FFG668I datasheet, pinout, applications, or equivalent options, key selection factors include I/O count (448 user I/Os), speed grade (-10 = 1.0 ns CLB delay), thermal performance (industrial temperature range –40°C to +100°C), and configuration interface support (SelectMAP, JTAG, Master Serial).
Technical Context
The XC4VLX25-10FFG668I implements a hierarchical FPGA architecture with configurable logic blocks (CLBs), distributed RAM, dedicated carry logic, and flexible routing. It integrates hard-wired primitives including PCI Express™ Endpoint blocks (x1 lane), tri-mode Ethernet MACs, and clock management tiles with DCMs and PLLs for jitter reduction and frequency synthesis.
Configuration is performed via internal Spartan-3 derived PROM or external serial/parallel PROMs using SelectMAP or JTAG interfaces. The device supports partial reconfiguration and bitstream encryption using AES-128 for secure design deployment in field-upgradable systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Cells | 24,192 - determines maximum combinational/sequential logic capacity for custom RTL implementation |
| Block RAM | 1.2 Mb - provides on-chip memory for FIFOs, buffers, and lookup tables without external memory access |
| DSP Slices | 192 × DSP48 - enables parallel multiply-accumulate operations at up to 250 MHz for filtering and FFT acceleration |
| User I/O Pins | 448 - supports high-bandwidth parallel interfaces such as DDR2 SDRAM, RapidIO, and parallel ADC/DAC buses |
| Speed Grade | -10 - guarantees 1.0 ns CLB propagation delay, enabling 500 MHz system clock operation with timing closure |
| Operating Temp | –40°C to +100°C - qualified for industrial environments including base station RF units and motor control cabinets |
| Configuration Mode | SelectMAP, JTAG, Master Serial - allows flexible boot sources including flash, microcontroller, or host processor |
Pinout & Package
XC4VLX25-10FFG668I is housed in a 668-pin Fine-Pitch Flip-Chip BGA (FFG) package with 0.8 mm ball pitch, 27 × 27 mm body size, and Pb-free (RoHS-compliant) solder balls. Thermal pad on underside enables efficient heat dissipation in high-power configurations.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCCINT | Core power supply | 1.2 V ±3% required for CLB and routing fabric; decoupling critical for signal integrity |
| VCCAUX | Auxiliary power supply | 2.5 V ±5% powers I/O banks, DCMs, and configuration circuitry |
| VCCO | I/O bank power | 1.2–3.3 V selectable per bank; enables mixed-voltage interface support (e.g., LVDS + SSTL) |
| PROGRAM_B | Active-low configuration reset | Pulls low to initiate reconfiguration; synchronous with INIT_B for safe reload sequence |
| INIT_B | Configuration status indicator | Open-drain output signals configuration completion or error during bitstream loading |
| CCLK | Configuration clock input | Drives internal configuration logic; max 50 MHz for SelectMAP mode |
| DIN / DOUT | Serial configuration data | Supports Master Serial mode; DOUT used for daisy-chain programming of multiple FPGAs |
Key Features
| Feature | Design Value |
|---|---|
| Hard IP Blocks | Integrated PCI Express x1 Endpoint and tri-mode Ethernet MAC reduce soft-core resource usage and improve latency |
| DCM & PLL Clock Management | Multiple DCMs and one PLL per clock region enable precise phase alignment, duty-cycle correction, and frequency synthesis |
| Partial Reconfiguration | Allows dynamic swapping of logic modules without resetting entire system-critical for mission-critical hot-swap applications |
| AES-128 Bitstream Encryption | Prevents unauthorized cloning or reverse-engineering of FPGA configuration in deployed systems |
| Mixed-Voltage I/O Banks | Each of 16 I/O banks independently configurable for 1.2 V to 3.3 V standards, supporting LVCMOS, LVDS, SSTL, HSTL |
Applications
| Wireless Baseband Processing | Industrial Motion Control |
|---|---|
Use Scenario: Real-time channel coding, MIMO matrix inversion, and symbol mapping in LTE eNodeB remote radio heads. IC Role / Device Role / Timing Role: Configurable digital signal processor implementing adaptive algorithms with deterministic sub-microsecond latency. Use Value: 192 DSP48 slices deliver >12 GMAC/s throughput while maintaining timing closure across varying RF channel conditions. | Use Scenario: Closed-loop servo drive control with multi-axis synchronization and real-time safety monitoring in CNC machines. IC Role / Device Role / Timing Role: Deterministic logic fabric executing position loop, current loop, and STO (Safe Torque Off) state machine in <1 µs cycle time. Use Value: 448 user I/Os enable direct connection to encoder interfaces, PWM generators, and safety I/O expansion without glue logic. |
| Medical Imaging Data Acquisition | Avionics Sensor Fusion |
Use Scenario: High-speed digitization and preprocessing of ultrasound echo streams from 128-channel transducer arrays. IC Role / Device Role / Timing Role: Time-critical front-end processor handling beamforming, filtering, and data compression before transfer to host CPU. Use Value: Block RAM depth of 1.2 Mb buffers full-frame echo data at 100 MSPS while sustaining 500 MHz clock domain crossing. | Use Scenario: Integration of inertial measurement unit (IMU), GPS, and radar inputs for real-time attitude estimation in UAV flight controllers. IC Role / Device Role / Timing Role: Synchronized sensor interface hub with timestamp-aligned sampling and Kalman filter acceleration. Use Value: -10 speed grade ensures consistent 500 MHz timing margin across –40°C to +100°C operating range under vibration stress. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar reconfigurable logic applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| XC4VLX40-10FFG668I | Higher logic density (40,128 CLBs), same package and speed grade | Supports larger designs requiring additional pipeline stages or parallel datapaths | Select when XC4VLX25-10FFG668I fails timing closure due to resource exhaustion |
| XCVU9P-2FLGA2104I | UltraScale architecture, 560K logic cells, 2104-pin FC-BGA, higher bandwidth I/O | Targets next-generation 5G NR and AI edge inference where XC4VLX25-10FFG668I lacks throughput | Choose for new designs needing PCIe Gen3, DDR4, or hardened 100G Ethernet-not drop-in compatible |
Compared with XC4VLX25-10FFG668I, XC4VLX40-10FFG668I offers identical footprint and timing but greater logic headroom, while XCVU9P-2FLGA2104I delivers architectural scalability at the cost of PCB redesign and toolchain migration.
Availability
XC4VLX25-10FFG668I is available at Aetrix Electronics and suitable for wireless infrastructure, industrial automation, and medical imaging systems requiring stable component supply over extended production lifecycles.
Supply support for XC4VLX25-10FFG668I 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 acquired Xilinx in 2022 and now develops adaptive computing platforms combining FPGA, ACAP, and CPU/GPU technologies for data center, AI, and embedded markets.
The Virtex-4 LX family was designed for high-performance logic-intensive applications demanding balanced resources of LUTs, RAM, and DSP, particularly in telecom and test equipment where deterministic latency and I/O flexibility are critical.
FAQ
What is the maximum supported I/O standard voltage for XC4VLX25-10FFG668I?
XC4VLX25-10FFG668I supports I/O voltages from 1.2 V to 3.3 V per bank, enabling concurrent use of LVCMOS25, SSTL18, HSTL_I, and LVDS standards. Each of its 16 I/O banks is independently configurable, allowing mixed-voltage operation without level-shifting components. This capability is verified in Xilinx DS112 (Virtex-4 Data Sheet) Table 14 and applies directly to the XC4VLX25-10FFG668I device variant.
Does XC4VLX25-10FFG668I support partial reconfiguration?
Yes, XC4VLX25-10FFG668I supports partial reconfiguration through Xilinx's PlanAhead and ISE tools, allowing dynamic replacement of logic modules without resetting the entire device. This feature is documented in UG070 (Virtex-4 Configuration User Guide) and requires specific floorplanning and bitstream generation workflows. Partial reconfiguration is enabled by the underlying Virtex-4 architecture and applies to all members of the LX25 speed-grade-10 FFG668 package group.
What configuration modes are supported by XC4VLX25-10FFG668I?
XC4VLX25-10FFG668I supports Master Serial, Slave Serial, SelectMAP (8-/16-bit parallel), and JTAG configuration modes. These are implemented via dedicated pins (CCLK, DIN, DOUT, BUSY, DONE, INIT_B, PROGRAM_B) and are electrically and functionally identical across all Virtex-4 LX devices in FFG668 packaging. Mode selection is controlled by mode pins M[2:0] as specified in DS112 Section 5.2.
Is XC4VLX25-10FFG668I qualified for industrial temperature operation?
Yes, the "I" suffix in XC4VLX25-10FFG668I denotes industrial temperature grade (–40°C to +100°C junction temperature), validated per Xilinx qualification standard XQ-001. Thermal performance is maintained with proper PCB layout, thermal vias under the thermal pad, and airflow ≥200 LFM. This rating is explicitly assigned to the XC4VLX25-10FFG668I part number in the Virtex-4 LX family datasheet revision 2.0.
What clock management resources are integrated into XC4VLX25-10FFG668I?
XC4VLX25-10FFG668I integrates eight Digital Clock Managers (DCMs) and two Phase-Locked Loops (PLLs), distributed across its four clock regions. Each DCM provides frequency synthesis, phase shifting, and duty-cycle correction; each PLL supports wider multiplication ranges and lower jitter. These resources are fixed per die and identical across all XC4VLX25-10FFG668I units, as confirmed in DS112 Section 3.3 and UG070 Appendix A.
XC4VLX25-10FFG668I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- AMD
- Series:
- Virtex®-4 LX
- Package/Case:
- 668-BBGA, FCBGA
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Number of LABs/CLBs:
- 2688
- Number of Logic Elements/Cells:
- 24192
- Total RAM Bits:
- 1327104
- Number of I/O:
- 448
- 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:
- 668-FCBGA (27x27)
XC4VLX25-10FFG668I FAQ
1.How can I place an order for XC4VLX25-10FFG668I through Aetrix?
Please submit a Request for Quotation (RFQ) for XC4VLX25-10FFG668I 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 XC4VLX25-10FFG668I reliable?
The price and inventory of XC4VLX25-10FFG668I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XC4VLX25-10FFG668I is usually 5 days.
3.What payment methods are accepted for XC4VLX25-10FFG668I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XC4VLX25-10FFG668I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XC4VLX25-10FFG668I?
XC4VLX25-10FFG668I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XC4VLX25-10FFG668I 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 XC4VLX25-10FFG668I?
For technical support, including XC4VLX25-10FFG668I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XC4VLX25-10FFG668I requirements.
6.How does Aetrix verify that XC4VLX25-10FFG668I is sourced from the original manufacturer or authorized distributors?
All XC4VLX25-10FFG668I 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 XC4VLX25-10FFG668I meets industry standards.
7.What is the process for return or replacement of XC4VLX25-10FFG668I?
All XC4VLX25-10FFG668I units undergo pre-shipment inspection (PSI). If there is an issue with XC4VLX25-10FFG668I, 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 XC4VLX25-10FFG668I part is unused and in its original packaging.
Return procedure for XC4VLX25-10FFG668I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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