XC7K325T-2FFG900I
Kintex-7 FPGA with 326K logic cells, 840 DSP slices, and 16 GTX transceivers for high-performance applications.
Product Overview
Description
The XC7K325T-2FFG900I is a high-performance Kintex-7 FPGA built on 28nm process technology. It provides 326,080 logic cells, 400 36Kb block RAMs, and 840 DSP48E1 slices for intensive signal processing.
This device features 16 GTX transceivers supporting up to 12.5 Gbps, enabling high-speed serial interfaces including PCIe Gen3, 10G Ethernet, and Aurora. The FFG900 package provides 500 user I/O pins.
With industrial temperature grade (-40C to 100C) and advanced power management, this FPGA is ideal for communications infrastructure, video processing, and industrial automation applications.
Product Series
XC
Primary Application
Communications
Key Features
- High efficiency and reliability
- Optimized for industrial applications
- Comprehensive technical support
- Available from stock
Specifications
| Logic Cells | 326,080 |
|---|---|
| Block RAM | 400 x 36Kb |
| DSP Slices | 840 |
| GTX Transceivers | 16 (12.5 Gbps max) |
| I/O Pins | 500 |
| Package | FFG900 (31x31mm) |
| Temperature | Industrial (-40C to 100C) |
Applications
Communications
Communication and interface
Video Processing
Electronic system design
Industrial Control
Industrial automation and control
Test Equipment
Electronic system design
FAE Expert Insights
"The Kintex-7 XC7K325T is my go-to recommendation for mid-range FPGA applications. It offers exceptional price-performance with 326K logic cells and 840 DSP slices at a competitive price point. In my experience, this device hits the sweet spot for many communications and video processing designs. The 16 GTX transceivers provide flexibility for multi-channel high-speed interfaces. I particularly appreciate the industrial temperature grade for harsh environment applications. For designs requiring PCIe Gen3, 10G Ethernet, or multiple video streams, this FPGA delivers reliable performance. The Vivado tool support is excellent, with good timing closure characteristics. I recommend this device for any design requiring 200K-400K logic cells with high-speed serial connectivity."
Best price-performance for mid-range FPGA applications
— Michael Chen, BeiLuo
Frequently Asked Questions
What is the maximum clock frequency for this Kintex-7 FPGA?
The XC7K325T supports various clock frequencies depending on the logic: 1) Internal logic - up to 741 MHz for simple flip-flop chains, 2) DSP48E1 - up to 741 MHz for multiply-accumulate operations, 3) Block RAM - up to 741 MHz for memory operations, 4) I/O - up to 1,600 Mbps for DDR3 interfaces, 5) GTX transceivers - up to 12.5 Gbps line rate. Actual achievable frequency depends on design complexity, timing constraints, and placement. Typical designs achieve 200-400 MHz for complex logic.
Target 200-400 MHz for complex designs. Use timing constraints and optimization strategies for higher frequencies.
How much power does this FPGA consume?
Power consumption depends on utilization and switching activity: 1) Static power - approximately 1.5-2W at room temperature, 2) Dynamic power - 2-5W for typical designs, 3) Total power - 4-8W for moderately utilized designs, 4) Worst case - up to 15W for fully utilized designs with high switching, 5) Power saving modes - support for clock gating and power gating. Use Xilinx Power Estimator (XPE) for accurate power analysis based on your specific design. Thermal management required for designs exceeding 10W.
Use XPE for accurate power estimation. Plan thermal design for worst-case power consumption.
What configuration options are available for this FPGA?
The XC7K325T supports multiple configuration modes: 1) Master SPI - from external QSPI flash (most common), 2) Master BPI - from parallel NOR flash, 3) Master SelectMAP - from processor or CPLD, 4) JTAG - direct programming for debug, 5) Slave SelectMAP - processor-controlled configuration. Configuration time varies by mode: SPI ~100ms, BPI ~50ms, SelectMAP ~30ms. The FPGA supports encryption for secure configuration and partial reconfiguration for dynamic updates.
Use Master SPI for standalone operation. Use JTAG for debug and development.
Can this FPGA support PCIe Gen3?
Yes, the XC7K325T fully supports PCIe Gen3: 1) GTX transceivers - support 8 GT/s PCIe Gen3 line rate, 2) Hard IP - integrated PCIe Gen3 hard IP block available, 3) Lanes - supports x1, x2, x4, x8 configurations, 4) IP cores - Xilinx provides AXI PCIe bridge IP, 5) Reference designs - available for endpoint and root complex. The integrated hard IP reduces FPGA resource usage compared to soft implementations. Supports both endpoint and root complex modes.
Use integrated PCIe Gen3 hard IP for best performance and resource efficiency.
What debug capabilities are available for this FPGA?
Xilinx provides comprehensive debug capabilities: 1) Integrated Logic Analyzer (ILA) - capture internal signals in real-time, 2) Virtual Input/Output (VIO) - drive and monitor internal signals, 3) JTAG interface - standard boundary scan and debug access, 4) ChipScope - embedded logic analyzer using block RAM, 5) Hardware Manager - Vivado tool for device programming and debug. Supports up to 16,384 probe points. Debug cores use minimal FPGA resources (1-2% for typical setups).
Use ILA for signal capture, VIO for interactive debug. Plan debug architecture early in design.