Product Overview and Market Positioning
The Xilinx XC7A35T FPGA represents the cost-performance sweet spot in the Artix-7 family, delivering 33,280 logic cells and 90 DSP slices in compact BGA packages. Built on 28nm HPL process technology, it achieves 50% lower static power than previous generations while supporting 6.6Gb/s transceivers (CSG324 variant).
| Feature | Artix-7 (XC7A35T) | Spartan-7 | Kintex-7 |
|---|---|---|---|
| Logic Cells | 33,280 | 25K-50K | 100K-400K |
| Power Efficiency | 28nm HPL | 28nm HP | 28nm HP/HPL |
| Transceivers | Up to 6.6Gbps (4 lanes) | None | Up to 12.5Gbps |
Technical Specifications
| Parameter | XC7A35T-1CSG324 | XC7A35T-2FGG484 | Unit |
|---|---|---|---|
| Logic Cells | 33,280 | 33,280 | LC |
| LUTs | 20,800 | 20,800 | 4×6-LUT per slice |
| Block RAM | 1,800 | 1,800 | Kbits |
| DSP Slices | 90 | 90 | 25×18-bit MAC |
| Max I/O | 210 | 250 | 3.3V tolerant |
| Transceivers | 4×6.6Gb/s GTP | None | CSG324 only |
| Power Consumption | 1.5W @ 550MHz | 1.5W @ 550MHz | Active power |
Implementation Scenarios
Industrial Automation
Real-time motor control with <1μs latency using 90 DSP slices for field-oriented control algorithms. The integrated XADC enables precise sensor interfacing for closed-loop systems.
Medical Imaging
64-channel portable ultrasound processing with 30fps 2-D imaging via 930 GMACS DSP throughput. The 1.8Mb block RAM supports real-time beamforming calculations.
Communication Systems
Protocol conversion (PCIe↔Gigabit Ethernet) achieving 5Gbps throughput. GTP transceivers enable JESD204B and SFP+ fiber optic interfaces.
Development Ecosystem
- Vivado Design Suite 2023.2: Supports constraint-driven implementation with Tcl scripting and MicroBlaze soft-core development
- IP Cores: Includes DDR3 controller (800MHz), 10G Ethernet MAC, and AXI4 interconnect
- Verification: Integrated Logic Analyzer (ILA) with 1,024-sample depth for real-time debugging
- Reference Boards: Digilent Nexys 4 DDR (CSG324), Basys 3 (FTG256), Alinx AX7035B (FGG484)
Packaging Guidance
| Package | Dimensions | I/O Count | Thermal Resistance |
|---|---|---|---|
| CSG324 | 15×15mm | 210 | 3.2°C/W |
| FTG256 | 13×13mm | 170 | 4.1°C/W |
| FGG484 | 23×23mm | 250 | 2.8°C/W |
Procurement Considerations
For immediate samples or bulk orders, please contact authorized distributors via the following emails.
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