AMD XC5VLX50T-2FFG665C

Overview

XC5VLX50T-2FFG665C from AMD (formerly Xilinx) is a Virtex-5 FPGA featuring 46,080 logic cells, 2.5 Gbps serial transceivers, 288 DSP48E slices, and embedded Block RAM totaling 2,880 kbits. It operates at -2 speed grade with 1.0 V core voltage and targets high-performance digital signal processing in radar and optical transport systems.

For engineers reviewing the XC5VLX50T-2FFG665C datasheet, pinout, applications, or equivalent options, key selection criteria include transceiver lane count, I/O bank voltage support, configuration interface type, and thermal performance under sustained 2.5 Gbps operation.

Technical Context

The XC5VLX50T-2FFG665C implements a column-based architecture with dedicated routing for clock, reset, and control signals. It integrates RocketIO GTP transceivers supporting PCIe Gen1, SATA, and Serial RapidIO protocols, and uses SelectIO technology with programmable I/O standards including LVDS, SSTL, and HSTL across 16 I/O banks.

Configuration is performed via Master SelectMAP or Slave Serial mode using external SPI flash or PROM. The device supports partial reconfiguration and includes internal PLLs and DCMs for clock synthesis and phase alignment across multiple clock domains.

Key Specifications

Pinout & Package

XC5VLX50T-2FFG665C is housed in a 665-pin Fine-Pitch Flip-Chip Ball Grid Array (FFG) package with 35×35 mm body size, 1.0 mm ball pitch, and Pb-free RoHS-compliant finish. Thermal pad on underside requires soldered thermal connection to PCB ground plane.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-performance FPGA applications.

Compared with XC5VLX50T-2FFG665C, XC5VLX110T-2FFG1136C offers scalable resources within the same Virtex-5 family and toolflow, while XCKU040-2FBVA676E represents a generational upgrade requiring architectural re-evaluation but delivering 6.5× transceiver bandwidth and 2.2× logic density.

Availability

XC5VLX50T-2FFG665C is available at Aetrix Electronics and suitable for radar signal processing, optical transport networking, and medical imaging acceleration requiring stable component supply across extended product lifecycles.

Supply support for XC5VLX50T-2FFG665C 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 including FPGAs, ACAPs, and software-defined hardware solutions.

The Virtex-5 family was designed for high-bandwidth, compute-intensive applications in aerospace, defense, and telecommunications infrastructure where deterministic latency and protocol flexibility are critical.

FAQ

What configuration modes does the XC5VLX50T-2FFG665C support?

The XC5VLX50T-2FFG665C supports Master SelectMAP, Slave SelectMAP, Slave Serial, and JTAG configuration modes. Mode selection is controlled by the M0–M2 pins at power-up. Master SelectMAP enables parallel loading from external flash memory at up to 50 MHz, while Slave Serial uses a single-bit serial stream synchronized to CCLK. JTAG mode is used for boundary-scan testing and in-system programming. All modes are fully supported in Xilinx ISE Design Suite v14.7.

Does the XC5VLX50T-2FFG665C support partial reconfiguration?

Yes, the XC5VLX50T-2FFG665C supports partial reconfiguration through its ICAP (Internal Configuration Access Port) interface. This allows dynamic replacement of specific logic modules without resetting the entire device or disrupting active functions. Implementation requires use of Xilinx PlanAhead or ISE tools with partial bitstream generation enabled. Verified use cases include runtime filter coefficient updates in radar processing and protocol stack switching in optical line cards.

What is the maximum operating temperature for the XC5VLX50T-2FFG665C?

The XC5VLX50T-2FFG665C is rated for commercial temperature range operation from 0°C to 85°C ambient. Its -2 speed grade guarantees timing closure at junction temperatures up to 100°C under worst-case voltage and process corners. Thermal design must ensure the exposed thermal pad on the FFG665 package achieves ≤2.5°C/W thermal resistance to PCB ground plane to maintain safe silicon temperature during sustained 2.5 Gbps transceiver operation.

Which I/O standards are supported by the XC5VLX50T-2FFG665C?

The XC5VLX50T-2FFG665C supports 20+ I/O standards via SelectIO technology, including LVDS, Mini-LVDS, RSDS, BLVDS, SSTL-18/25, HSTL-I/II, PCI, and LVTTL. Each of the 16 I/O banks can be independently powered between 1.2 V and 3.3 V, enabling direct interfacing with heterogeneous peripherals such as ADCs, DACs, SDRAM, and optical transceivers without external level shifters. I/O voltage settings are configured per-bank in UCF or XDC constraint files.

Is the XC5VLX50T-2FFG665C pin-compatible with other Virtex-5 devices?

No, the XC5VLX50T-2FFG665C is not pin-compatible with other Virtex-5 devices due to unique ball mapping optimized for its 12 RocketIO GTP transceivers and I/O bank distribution. While it shares the FFG665 package footprint with XC5VLX30T-2FFG665C, differences in transceiver placement and bank assignments prevent direct substitution. Migration to XC5VLX110T-2FFG1136C requires complete PCB redesign due to different package size and pinout.