AMD XC4VLX25-10FFG676I

Overview

XC4VLX25-10FFG676I 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. It features SelectIO™ technology supporting LVDS, SSTL, HSTL, and GTL standards, and is packaged in a 676-pin Fine-Pitch Flip-Chip BGA (FFG676) with 0.8 mm pitch. It is used in high-performance digital signal processing and reconfigurable computing systems.

For engineers reviewing the XC4VLX25-10FFG676I datasheet, pinout, applications, or equivalent options, key selection criteria include logic density, embedded memory capacity, DSP slice count, I/O voltage flexibility, and thermal performance in compact BGA layouts.

Technical Context

The XC4VLX25-10FFG676I implements a hierarchical FPGA architecture with configurable logic blocks (CLBs), dedicated arithmetic units (DSP48), and distributed/bram memory resources. It supports multi-voltage I/O banks (1.2 V to 3.3 V) and includes digital clock managers (DCMs) for internal clock synthesis and phase alignment.

It operates at -10 speed grade (1.0 ns CLB propagation delay), supports JTAG boundary-scan (IEEE 1149.1), and integrates SelectMAP and serial configuration interfaces. Configuration is performed via external PROM or processor-controlled parallel interface.

Key Specifications

Pinout & Package

XC4VLX25-10FFG676I is housed in a 676-pin Fine-Pitch Flip-Chip BGA (FFG676) package with 0.8 mm ball pitch and 27 × 27 array footprint. Thermal and mechanical design requires controlled solder reflow profile and PCB stack-up with dedicated power/ground planes.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar FPGA-based reconfigurable logic applications.

Compared with XC4VLX40-10FFG676I, XC4VLX25-10FFG676I offers lower static power and smaller footprint for mid-scale tasks; compared with XCVU9P-2FFVB2104I, it provides proven radiation-tolerant configuration and simpler toolchain support for long-lifecycle aerospace deployments.

Availability

XC4VLX25-10FFG676I is available at Aetrix Electronics and suitable for radar signal processing, medical imaging interface, and industrial protocol gateway applications requiring stable component supply over extended product lifecycles.

Supply support for XC4VLX25-10FFG676I 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 maintains the Virtex FPGA portfolio for high-performance, mission-critical applications.

The Virtex-4 LX family was designed for compute-intensive digital signal processing and reconfigurable system acceleration in aerospace, defense, and medical equipment.

FAQ

What is the maximum operating junction temperature for XC4VLX25-10FFG676I?

The XC4VLX25-10FFG676I has a specified maximum junction temperature of +100°C under industrial temperature grade (-40°C to +100°C). Thermal design must maintain this limit using appropriate PCB copper area, thermal vias, and airflow. The device includes on-die thermal sensors accessible via JTAG for runtime monitoring, and XC4VLX25-10FFG676I thermal models are provided in Xilinx UG070 for simulation.

Does XC4VLX25-10FFG676I support partial reconfiguration?

Yes, XC4VLX25-10FFG676I supports partial reconfiguration through the ICAP (Internal Configuration Access Port) and dedicated configuration logic. This allows dynamic swapping of functional modules without resetting the entire device. Implementation requires Xilinx ISE 12.4 or later and adherence to floorplanning constraints defined in UG070. XC4VLX25-10FFG676I partial bitstreams must be validated for timing and routing integrity before deployment.

What configuration modes does XC4VLX25-10FFG676I support?

XC4VLX25-10FFG676I supports Master SelectMAP, Slave SelectMAP, Serial, and JTAG configuration modes. Master SelectMAP uses an internal oscillator to drive external PROM readout; Serial mode loads bitstream via single-pin interface. All modes are enabled by strap pins (M0–M2) at power-up. XC4VLX25-10FFG676I configuration timing parameters are detailed in DS204, including TINIT and TCFG specifications.

Is XC4VLX25-10FFG676I RoHS compliant?

Yes, XC4VLX25-10FFG676I is RoHS-6 compliant (lead-free, mercury-free, cadmium-free, hexavalent chromium-free, PBB-free, PBDE-free) and meets JEDEC J-STD-020 moisture sensitivity level 3 (MSL3) requirements. The FFG676 package uses matte tin finish on solder balls. Compliance documentation, including test reports and CoC, is available for XC4VLX25-10FFG676I upon request from Aetrix Electronics.

Can XC4VLX25-10FFG676I interface directly with DDR2 SDRAM?

Yes, XC4VLX25-10FFG676I supports DDR2 SDRAM interfaces using its SelectIO technology and dedicated DQS capture circuitry. It meets JEDEC DDR2-800 timing requirements when configured with proper I/O standards (SSTL-18) and calibrated delays. XC4VLX25-10FFG676I reference designs and timing constraints are provided in Xilinx UG081, and require careful PCB layout for fly-by topology and length matching.