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Product Overview

The XC6VLX195T-2FFG1156I is a high-performance field programmable logic array (FPGA) in Xilinx's Virtex-6 series. This device is specifically designed for high-speed processing, complex logic control and high-density interface interconnection, integrating 195,000 logic units, multiple DSP slices, Block RAM and abundant high-speed transceiver resources (GTX transceivers). This model is suitable for embedded platforms that require high reliability and high computing performance, such as communication equipment, image processing systems, radar signal processing and data acquisition systems. The "I" in it indicates the industrial-grade temperature range.

Main technical parameters

Detailed specifications of parameter categories
FPGA series Virtex-6 LX series

• Logic unit (logic chip) 195,840
• The number of CLBs is 15,120 CLBs (Configurable Logic Blocks)
• The number of triggers is 241,152
• Distributed RAM 2,370Kb
• 14,976Kb of RAM (a total of 416 36Kb of RAM)
• DSP Slice 768 25x18 multipliers, suitable for high-speed digital signal processing
• 20 GTX transceivers (up to 6.5 Gbps)
• Package type FFG1156 (BGA package, 1156 solder ball)
• Package size: 35mm x 35mm, ball pitch: 1mm
• Speed Class -2 (Medium speed class)
• Temperature range: -40°C to +100°C (Industrial grade)

The core voltage is 1.0V, and the IO voltage is available in 1.2V/2.5V/3.3V

A Brief Analysis of Packaging and Pin Configuration

Package type: FFG1156, using BGA package, with a total of 1156 pins, suitable for high-density PCB design. Pin functions include:
Multiple I/O banks: Supports differential signals, LVDS, and GTX serial links;
JTAG pin: Supports debugging, programming and boundary scanning;
Power management pins: Precisely distributed across each power domain;
MGT (Multi-Gigabit Transceivers) interface: Suitable for high-speed communication protocols such as PCIe, SRIO, and XAUI.
⚠️ should be designed in conjunction with Xilinx 's UG361 package user guide, as well as using the Vivado/ISE tool to generate precise pin constraint files (UCF/XDC).

Application scenario recommendation

Examples of application field functions

• The high-speed data acquisition system is used for high-resolution ADC interfaces and buffering in radar/communication base stations
• Real-time image enhancement, video encoder, high-definition multi-channel signal processing for image/video processing
• The communication equipment supports SONET, SDH, GbE, 10G Ethernet, PCIe, etc
• Aerospace and defense signal acquisition and processing, encryption modules, software-defined radio
• Financial/algorithmic accelerated high-frequency trading FPGA platform, FPGA coprocessor

Recommend design support resources

• ✅ supports Xilinx Vivado (newer models) and ISE 14.x (classic support)
• ✅ can generate standard modules (FIFO, AXI interface, etc.) using Xilinx CoreGen/IP Integrator
• ✅ supports JTAG/BPI/Slave serial port download mode
• ✅ is recommended to be used with Xilinx Platform Cable USB programmer

Comparison of alternative and upgraded models in the same series

Model, number of logic units, number of transceivers, applicable instructions

• XC6VLX195T-2FFG1156I 195K 20 is the main model
• XC6VLX240T-1FFG1156I 240K 24 higher density alternative
• XC6VLX130T-2FFG1156I 131K 20 smaller resource solution
• XC7VX290T-2FFG1157 290K (Virtex-7) 28 A new generation alternative, supporting faster interfaces

Upgrade path for the old version of XC5VLX155T-2FFG1136 155K (Virtex-5) 16

Summary

The XC6VLX195T-2FFG1156I is a powerful Virtex-6 FPGA that combines high computing power with high-speed interfaces, making it suitable for deployment in embedded systems that require high data throughput, low latency, and high flexibility. Its successful application in fields such as radar, network communication, image processing and computing acceleration has proved the maturity and stability of this chip.
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