Specifications
Family
AMD Xilinx Virtex-7 (7-series)
Device
XC7VX690T
MPNs (package / speed variants)
XC7VX690T-2FFG1157C · XC7VX690T-2FFG1761C (-2FFG1761I) · XC7VX690T-2FFG1927C (-2FFG1927I) · XC7VX690T-3FFG1930E
Process
28 nm HKMG
Logic Cells
693,120 (2,362,500 max with SSI stacked-silicon variants)
Configurable Logic Blocks
108,300 slices
Flip-Flops
866,400
DSP Slices
3,600 × DSP48E1 — 5,942 GMAC/s peak at -3 speed grade
Block RAM
52,920 Kb (1,470 × 36 Kb blocks)
Clock Management
20 CMTs / 24 MMCM + PLL resources
Transceivers
80 × GTX, 600 Mbps to 13.1 Gb/s (GTH up to 13.1 Gb/s on HXT devices)
PCI Express
3 × integrated Gen2 x8 blocks (Gen3 x8 on HXT variants)
Ethernet MACs
4 × integrated 10/100/1000 tri-speed MACs
Memory Interface
DDR3 up to 1,866 Mb/s via soft MIG controller
Configuration
SRAM-based with AES-256 bitstream encryption and SHA-256 authentication
Packages
FFG1157, FFG1761, FFG1927, FFG1930
Speed Grades
-1, -2, -3
Temperature Grades
C, I, Q (defence/space)
Target Use
100G/400G networking, radar and EW, ASIC prototyping, high-end medical imaging, HPC acceleration
Overview
The Virtex-7 XC7VX690T is the high-end workhorse of the 7-series: 693,120 logic cells, 3,600 DSP48E1 slices, 1.3 Mb-class block RAM resources and up to eighty 13.1 Gb/s GTX transceivers across three independent PCIe Gen2 x8 blocks.
It is still widely deployed for ASIC prototyping, 100G-class packet processing and phased-array radar, where its combination of DSP throughput, serial bandwidth and bitstream security cannot be matched by mid-range devices. The FX/HXT variants add Gen3 x8 PCIe and 13.1 Gb/s GTH lanes.
Key Benefits
Massive DSP and serial bandwidth in one device — 5,900 GMAC/s of multiply-accumulate throughput. Three independent PCIe blocks and four Ethernet MACs make it suitable for multi-host architectures. AES-256 bitstream encryption with SHA-256 authentication protects IP in defence and aerospace applications.
Applications
100G/400G line cards and switch fabrics, phased-array radar and electronic warfare, ASIC/SoC prototyping, medical imaging reconstruction, high-performance computing acceleration, and broadcast contribution links.
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