AMD XC4VFX40-10FFG672C

Overview

XC4VFX40-10FFG672C from AMD (formerly Xilinx) is a Virtex-4 FX family FPGA featuring 40,192 logic cells, embedded PowerPC 405 RISC processors, and integrated multi-gigabit transceivers operating up to 3.75 Gbps. It includes 2.5 Mb of block RAM, 192 DSP48 slices, and supports PCI Express x4 endpoint functionality. It is used in high-performance communication line cards requiring protocol processing and real-time data path acceleration.

For engineers reviewing the XC4VFX40-10FFG672C datasheet, pinout, applications, or equivalent options, key selection criteria include transceiver lane count, embedded processor availability, I/O voltage support (1.2 V/1.5 V/1.8 V/2.5 V), and thermal performance in compact carrier board layouts.

Technical Context

The XC4VFX40-10FFG672C implements a hierarchical FPGA architecture with configurable logic blocks (CLBs), dedicated DSP48 slices for arithmetic-intensive tasks, and RocketIO™ multi-gigabit transceivers supporting protocols including Serial RapidIO, PCI Express, and Gigabit Ethernet. Its dual PowerPC 405 cores run at up to 500 MHz and share 512 KB of on-chip instruction/data cache.

Configuration is performed via Master SelectMAP or JTAG, with support for bitstream encryption using AES-128. The device uses 672-pin Fine-Pitch Flip-Chip BGA (FFG) packaging with 448 user I/Os distributed across 16 banks, each supporting independent VCCO and VREF settings.

Key Specifications

Pinout & Package

XC4VFX40-10FFG672C is housed in a 672-pin Fine-Pitch Flip-Chip BGA (FFG) package with 35 mm × 35 mm body size, 1.0 mm ball pitch, and thermal lid. The package supports reflow soldering per IPC/JEDEC J-STD-020D and requires controlled impedance PCB routing for transceiver lanes.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-end FPGA with embedded processor applications.

Compared with XC4VFX40-10FFG672C, XCVU9P-2FLGA2104I offers 6× more logic and 4× faster transceivers but removes PowerPC cores, while XC5VLX110T-1FF1136C retains compatible transceiver specs and pin-compatible I/O banks but omits embedded processors and reduces system-level integration.

Availability

XC4VFX40-10FFG672C is available at Aetrix Electronics and suitable for wireless infrastructure, optical transport, defense radar, and industrial machine vision applications requiring stable component supply and long-term obsolescence management.

Supply support for XC4VFX40-10FFG672C 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 is a global semiconductor leader delivering adaptive computing solutions, acquired Xilinx in 2022 to expand its FPGA and adaptive SoC portfolio.

The Virtex-4 FX family was designed for high-performance embedded systems integrating programmable logic with hardened processor subsystems and high-speed serial I/O, targeting communications infrastructure and defense electronics.

FAQ

What is the maximum operating frequency of the PowerPC 405 cores in the XC4VFX40-10FFG672C?

The XC4VFX40-10FFG672C integrates two PowerPC 405 RISC processors rated for operation up to 500 MHz under typical conditions. This frequency is achievable with proper thermal management and VCCINT = 1.2 V. The actual sustained core clock depends on silicon grade, junction temperature, and power delivery stability - the -10 speed grade guarantees timing closure at this rate across commercial temperature range (0°C to 85°C).

Does the XC4VFX40-10FFG672C support JTAG boundary-scan testing?

Yes, the XC4VFX40-10FFG672C fully supports IEEE 1149.1 JTAG boundary-scan for PCB-level interconnect testing and in-system programming. Its TAP controller handles instruction register loading, data register access, and IDCODE readback. JTAG pins (TCK, TMS, TDI, TDO, TROUT) are dedicated and electrically isolated from user I/O banks, ensuring reliable test access even during partial reconfiguration.

What transceiver protocols are natively supported by the RocketIO™ blocks in the XC4VFX40-10FFG672C?

The XC4VFX40-10FFG672C RocketIO™ transceivers natively support Serial RapidIO 1.x, PCI Express Gen1 (x1/x2/x4), Gigabit Ethernet (1000BASE-X), and Fibre Channel (1.0625/2.125 Gbps). Protocol compliance relies on Xilinx-provided PHY and link-layer IP cores; no additional external retimers or gearbox ICs are required for these standards at their specified data rates.

Can the XC4VFX40-10FFG672C be configured using SPI flash memory?

No, the XC4VFX40-10FFG672C does not support direct SPI flash configuration. It requires parallel NOR flash (x8 or x16) in Master SelectMAP mode or serial PROM (e.g., XCFxxP) for JTAG-based configuration. SPI flash compatibility was introduced in later Virtex-5 and Virtex-6 families; using SPI with XC4VFX40-10FFG672C would require an external microcontroller bridge, adding latency and complexity.

What is the purpose of the GTX_CLK0_M2L/N2L pins on the XC4VFX40-10FFG672C?

The GTX_CLK0_M2L/N2L pins on the XC4VFX40-10FFG672C serve as the primary differential reference clock input for RocketIO™ transceiver bank 0. They accept LVDS or LVPECL signals and feed the transceiver PLLs to generate internal high-speed clocks. These pins must be routed with matched length, 100 Ω differential impedance, and placed within 15 mm of the BGA ball to meet jitter and skew requirements for reliable 3.75 Gbps operation.