AMD XC6VLX75T-1FF784C

Overview

XC6VLX75T-1FF784C from AMD (formerly Xilinx) is a Virtex-6 FPGA with 74,496 logic cells, 12.8 Gb/s transceiver capability, and 1.2 V core voltage, configured in a 784-pin Flip-Chip Fine-Pitch BGA package for high-speed serial interface and DSP-intensive embedded systems.

For engineers reviewing the XC6VLX75T-1FF784C datasheet, pinout, applications, or equivalent options, key selection factors include transceiver line rate, CLB count, I/O bank voltage support, and thermal performance in compact PCB layouts.

Technical Context

The XC6VLX75T-1FF784C implements a 40 nm FPGA architecture with integrated multi-gigabit transceivers supporting protocols including PCIe Gen2, SATA, and SRIO. It features dual-register 6-input LUTs, block RAM with byte-write enable, and clock management tiles with MMCM and PLL.

It supports SelectIO standards up to 1.8 V across 16 I/O banks, includes dedicated DSP48E1 slices for arithmetic-intensive tasks, and uses configuration via Master SPI or JTAG with AES bitstream encryption.

Key Specifications

Pinout & Package

XC6VLX75T-1FF784C is housed in a 784-pin Flip-Chip Fine-Pitch Ball Grid Array (FF784) package with 35 × 35 mm body size, 1.0 mm ball pitch, and thermal lid for enhanced power dissipation in high-clock-rate operation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with XC6VLX75T-1FF784C, the XC7VX690T-2FFG1927I provides greater logic capacity and marginally higher transceiver speed but demands board-level changes, whereas the XCVU9P-2FLGB2104I delivers generational bandwidth and density gains at the cost of full architectural requalification.

Availability

XC6VLX75T-1FF784C is available at Aetrix Electronics and suitable for radar signal processing, high-speed data acquisition, and PCIe Gen2 endpoint acceleration requiring stable component supply across long-life industrial and defense programs.

Supply support for XC6VLX75T-1FF784C 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, adaptive SoCs, and ACAPs for high-performance and mission-critical applications.

The Virtex-6 family was originally designed by Xilinx for compute-intensive, high-bandwidth applications such as wired communications infrastructure, military radar, and scientific instrumentation.

FAQ

What is the maximum supported transceiver line rate for XC6VLX75T-1FF784C?

The XC6VLX75T-1FF784C supports a maximum transceiver line rate of 12.8 Gb/s using its GTX transceivers. This enables compliance with PCIe Gen2, SATA 3.0, and SRIO Gen2 protocols. The actual achievable rate depends on PCB layout quality, reference clock jitter, and termination matching. XC6VLX75T-1FF784C does not support GTY or GTH transceivers found in later Virtex-7 or UltraScale families.

Does XC6VLX75T-1FF784C support JTAG boundary-scan testing?

Yes, XC6VLX75T-1FF784C fully supports IEEE 1149.1 JTAG boundary-scan for device programming, debugging, and interconnect verification. The TDI, TDO, TMS, TCK, and TRST_B pins are dedicated and electrically compliant with standard JTAG voltage levels. XC6VLX75T-1FF784C also supports internal BSCAN primitives for accessing internal logic states during runtime diagnostics.

What configuration modes are supported by XC6VLX75T-1FF784C?

XC6VLX75T-1FF784C supports Master SPI, Slave Serial, Slave Parallel, and JTAG configuration modes. Master SPI is most commonly used with external SPI flash memory, while JTAG is preferred for development and debug. XC6VLX75T-1FF784C requires proper initialization timing and power sequencing-specifically, VCCINT must be stable before configuration begins-and supports AES-256 bitstream encryption in all modes except JTAG-only unencrypted loads.

Is XC6VLX75T-1FF784C qualified for extended temperature operation?

The 'C' suffix in XC6VLX75T-1FF784C denotes commercial temperature grade (0 °C to +85 °C case temperature). It is not rated for industrial (–40 °C to +100 °C) or automotive grades. For extended temperature applications, designers should consider the 'I' or 'E' variants of the Virtex-6 family, though those use different part numbers and may have distinct pinouts or power characteristics. XC6VLX75T-1FF784C itself has no extended-temperature qualification.

Can XC6VLX75T-1FF784C implement PCI Express Gen2 endpoints without external PHYs?

Yes, XC6VLX75T-1FF784C integrates hardened PCIe Gen2 endpoint blocks that handle physical layer encoding, link training, and transaction layer protocol-eliminating the need for external PHYs. It supports x1, x2, x4, and x8 lane configurations with automatic speed negotiation and hot-plug detection. XC6VLX75T-1FF784C requires correct reference clock routing and PCIe-compliant board stackup but does not rely on discrete SerDes components for basic Gen2 functionality.